Szolgáltatóknak

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 8.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Red Lion Equipment: FlexEdge Gateway, DA50A, DA70A running Crimson Vulnerability: Improper Neutralization of Null Byte or NUL Character 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to truncate passwords configured by the Crimson configuration tool which could create weaker than intended credentials. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following Red Lion products are affected: Crimson: v3.2.0053.18 or prior 3.2 Vulnerability Overview 3.2.1 IMPROPER NEUTRALIZATION OF NULL BYTE OR NUL CHARACTER CWE-158 The Crimson 3.2 Windows-based configuration tool allows users with administrative access to define new passwords for users and to download the resulting security configuration to a device. If such a password contains the percent (%) character, invalid values will be included, potentially truncating the string if a NUL is encountered. If the simplified password is not detected by the administrator, the device might be left in a vulnerable state as a result of more-easily compromised credentials. Note that passwords entered via the Crimson system web server do not suffer from this vulnerability. CVE-2023-5719 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Multiple Sectors COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: United States 3.4 RESEARCHER Alexander Ratelle of Hepburn Engineering Inc, reported this vulnerability to Red Lion. 4. MITIGATIONS Red Lion recommends updating the Crimson configuration tool to version 3.2.0063 or later by using the automatic update feature or visiting the Red Lion website. Any existing or new accounts created should refrain from using the percent (%) character in the configured password in versions 3.2.0053.18 or below. For more information refer to Red Lion's security advisory RLCSIM-2023-04. CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as: Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet. Locate control system networks and remote devices behind firewalls and isolating them from business networks. When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. 5. UPDATE HISTORY November 2, 2023: Initial Publication

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 5.3 ATTENTION: Exploitable remotely/low attack complexity Equipment: MELSEC iQ-F Series Vulnerability: Improper Restriction of Excessive Authentication Attempts 2. RISK EVALUATION Successful exploitation of this vulnerability could allow a remote attacker to prevent legitimate users from logging into the web server function for a certain period, resulting in a denial-of-service condition. The impact of this vulnerability will persist while the attacker continues to attempt the attack. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following Mitsubishi Electric MELSEC iQ-F Series products are affected (Products with * are sold in limited regions): FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS (Serial number 17X**** and later): All versions FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS (Serial number 179**** and prior): Versions 1.060 or later FX5UC-xMy/z x=32,64,96, y=T, z=D,DSS (Serial number 17X**** and later): All versions FX5UC-xMy/z x=32,64,96, y=T, z=D,DSS (Serial number 179**** and prior): Versions 1.060 or later FX5UC-32MT/DS-TS, FX5UC-32MT/DSS-TS, FX5UC-32MR/DS-TS: All versions FX5UJ-xMy/z x=24,40,60, y=T,R, z=ES,DS,ESS,DSS: All versions FX5UJ-xMy/ES-A* x=24,40,60, y=T,R: All versions FX5S-xMy/z x=30,40,60,80*, y=T,R, z=ES,ESS: All versions 3.2 Vulnerability Overview 3.2.1 IMPROPER RESTRICTION OF EXCESSIVE AUTHENTICATION ATTEMPTS CWE-307 A denial-of-service vulnerability exists in the web server function of the MELSEC iQ-F Series CPU module, which could allow an attacker to prevent legitimate users from logging in to the web server function for a certain period of time. The impact of this vulnerability will persist while the attacker continues to attempt the attack. CVE-2023-4625 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.3 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: Japan 3.4 RESEARCHER Peter Cheng from ELEX FEIGONG RESEARCH INSTITUTE of Elex Cybersecurity, Inc. reported this vulnerability to Mitsubishi Electric. 4. MITIGATIONS Mitsubishi Electric recommends that users take the following mitigation measures to minimize the risk: Use a firewall or virtual private network (VPN), etc. to prevent unauthorized access when Internet access is required. Use within a LAN and block access from untrusted networks and hosts through firewalls. Use IP filter function to block access from untrusted hosts. For details on the IP filter function, refer to the "12.1 IP Filter Function" in the MELSEC iQ-F FX5 User's Manual (Ethernet Communication) manual. Restrict physical access to the affected products and the LAN that is connected by them. For additional information refer to Mitsubishi Electric's security bulletin 2023-014_en. CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. 5. UPDATE HISTORY November 2, 2023: Initial Publication

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 9.1 ATTENTION: Exploitable remotely/low attack complexity Vendor: Mitsubishi Electric Corporation Equipment: MELSEC Series Vulnerability: Insufficient Verification of Data Authenticity 2. RISK EVALUATION Successful exploitation of this vulnerability may allow a remote attacker to reset the memory of the products to factory default state and cause a denial-of-service condition. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS Mitsubishi Electric reports that the following versions of MELSEC-F series programmable controllers are affected if they are used with ethernet communication special adapter FX3U-ENET-ADP or ethernet communication block FX3U-ENET(-L) with the exception of "FX3GE-xMy/z x=24,40, y=T,R, z=ES,ESS,DS,DSS". Some of these products are sold in limited regions, see the Mitsubishi Electric advisory for details: MELSEC-F series FX3U-xMy/z x=16,32,48,64,80,128, y=T,R, z=ES,ESS,DS,DSS: All versions MELSEC-F series FX3U-32MR/UA1, FX3U-64MR/UA1: All versions MELSEC-F series FX3U-32MS/ES, FX3U-64MS/ES: All versions MELSEC-F series FX3U-xMy/ES-A x=16,32,48,64,80,128, y=T,R: All versions MELSEC-F series FX3UC-xMT/z x=16,32,64,96, z=D,DSS: All versions MELSEC-F series FX3UC-16MR/D-T, FX3UC-16MR/DS-T: All versions MELSEC-F series FX3UC-32MT-LT, FX3UC-32MT-LT-2: All versions MELSEC-F series FX3UC-16MT/D-P4, FX3UC-16MT/DSS-P4: All versions MELSEC-F series FX3G-xMy/z x=14,24,40,60, y=T,R, z=ES,ESS,DS,DSS: All versions MELSEC-F series FX3G-xMy/ES-A x=14,24,40,60, y=T,R: All versions MELSEC-F series FX3GC-32MT/D, FX3GC-32MT/DSS: All versions MELSEC-F series FX3GE-xMy/z x=24,40, y=T,R, z=ES,ESS,DS,DSS: All versions MELSEC-F series FX3GA-xMy-CM x=24,40,60, y=T,R: All versions MELSEC-F series FX3S-xMy/z x=10,14,20,30, y=T,R, z=ES,ESS,DS,DSS: All versions MELSEC-F series FX3S-30My/z-2AD y=T,R, z=ES,ESS: All versions MELSEC-F series FX3SA-xMy-CM x=10,14,20,30, y=T,R: All versions MELSEC iQ-F series FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS: All versions MELSEC iQ-F series FX5UC-xMy/z x=32,64,96, y=T, z=D,DSS: All versions MELSEC iQ-F series FX5UC-32MT/DS-TS, FX5UC-32MT/DSS-TS, FX5UC-32MR/DS-TS: All versions MELSEC iQ-F series FX5UJ-xMy/z x=24,40,60, y=T,R, z=ES,ESS,DS,DSS: All versions MELSEC iQ-F series FX5UJ-xMy/ES-A x=24,40,60, y=T,R: All versions MELSEC iQ-F series FX5S-xMy/z x=30,40,60,80, y=T,R, z=ES,ESS: All versions 3.2 Vulnerability Overview 3.2.1 Insufficient Verification of Data Authenticity CWE-345 A denial-of-service vulnerability exists in the MELSEC-F Series main modules and MELSEC iQ-F Series CPU modules. A remote attacker may be able to reset the memory of the products to factory default state and cause a denial-of-service condition on the products by sending specific packets. CVE-2023-4699 has been assigned to this vulnerability. A CVSS v3.1 base score of 9.1 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: Japan 3.4 RESEARCHER Mitsubishi Electric reported this vulnerability to CISA. 4. MITIGATIONS Mitsubishi Electric recommends that customers take the following mitigation measures to minimize the risk of exploiting this vulnerability: Use a firewall or virtual private network (VPN), etc. to prevent unauthorized access when Internet access is required. Use within a LAN and block access from untrusted networks and hosts through firewalls. For MELSEC iQ-F Series, use IP filter function to block access from untrusted hosts. For details on the IP filter function, please refer to the following manual for each product. "12.1 IP Filter Function" in the MELSEC iQ-F FX5 User's Manual (Ethernet Communication) Restrict physical access to the affected products and the LAN that is connected by them. For specific update instructions and additional details see the Mitsubishi Electric advisory. CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. 5. UPDATE HISTORY November 2, 2023: Initial Publication

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-46604 Apache ActiveMQ Deserialization of Untrusted Data Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Note: To view other newly added vulnerabilities in the catalog, click on the arrow in the "Date Added to Catalog" column—which will sort by descending dates. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information. Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria.

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Schneider Electric Equipment: SpaceLogic C-Bus Toolkit Vulnerabilities: Improper Privilege Management, Path Traversal 2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow an attacker to perform remote code execution, which could result in tampering of the SpaceLogic C-Bus home automation system. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following Schneider Electric products are affected: SpaceLogic C-Bus Toolkit: Versions 1.16.3 and prior 3.2 Vulnerability Overview 3.2.1 Improper Privilege Management CWE-269 Schneider Electric's SpaceLogic C-Bus Toolkit product is vulnerable due to improper privilege management, which could cause remote code execution when the transfer command is used over the network. CVE-2023-5402 has been assigned to this vulnerability. A CVSS v3.1 base score of 9.8 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). 3.2.2 Path Traversal CWE-22 Schneider Electric's SpaceLogic C-Bus Toolkit product contains a path traversal vulnerability, which could cause tampering of files on the personal computer running C-Bus when using the File Command. CVE-2023-5399 has been assigned to this vulnerability. A CVSS v3.1 base score of 9.8 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: France 3.4 RESEARCHER An anonymous researcher working with Trend Micro's Zero Day Initiative reported these vulnerabilities to CISA. 4. MITIGATIONS Schneider Electric has provided a fix to these vulnerabilities and recommends updating the software to v1.16.4. After installation, it is recommended to reboot the system and verify the version number reflects the new version. If users choose not to apply the remediation provided, they should immediately apply the following mitigation to reduce the risk of exploit: Block TCP Port 20023 to SpaceLogic C-Bus Toolkit by using the rules in the PC firewall. By doing this, the vulnerable commands could not then be used to compromise the PC by an external entity as the connection and ultimately the command will not be accepted by SpaceLogic C-Bus Toolkit. For more information, refer to Schneider Electric's Security Bulletin SEVD-2023-283-1 Schneider Electric strongly recommends the following industry cybersecurity best practices. Locate control and safety system networks and remote devices behind firewalls and isolate them from the business network. Install physical controls so no unauthorized personnel can access your industrial control and safety systems, components, peripheral equipment, and networks. Place all controllers in locked cabinets and never leave them in the "Program" mode. Never connect programming software to any network other than the network intended for that device. Scan all methods of mobile data exchange with the isolated network such as CDs, USB drives, etc., before use in the terminals or any node connected to these networks. Never allow mobile devices that have connected to any other network besides the intended network to connect to the safety or control networks without proper sanitation. Minimize network exposure for all control system devices and systems and ensure that they are not accessible from the Internet. When remote access is required, use secure methods, such as virtual private networks (VPNs). Recognize that VPNs may have vulnerabilities and should be updated to the most current version available. Also, understand that VPNs are only as secure as the connected devices. CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. CISA also recommends users take the following measures to protect themselves from social engineering attacks: Do not click web links or open attachments in unsolicited email messages. Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams. Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks. No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time. 5. UPDATE HISTORY November 2, 2023: Initial Publication

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 8.3 ATTENTION: Exploitable remotely/low attack complexity/public exploits are available Vendor: Franklin Fueling System Equipment: TS-550 Vulnerability: Use of Password Hash with Insufficient Computational Effort 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to access the device and gain unauthenticated access. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following versions of Franklin Fueling System TS-550, are affected: TS-550: All versions prior to 1.9.23.8960 3.2 Vulnerability Overview 3.2.1 USE OF PASSWORD HASH WITH INSUFFICIENT COMPUTATIONAL EFFORT CWE-916 Franklin Fueling System TS-550 versions prior to 1.9.23.8960 are vulnerable to attackers decoding admin credentials, resulting in unauthenticated access to the device. CVE-2023-5846 has been assigned to this vulnerability. A CVSS v3.1 base score of 8.3 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: United States 3.4 RESEARCHER CISA discovered a public Proof of Concept (PoC) as authored by Parsa Rezaie Khiabanloo and reported it to Exploit-db. 4. MITIGATIONS Franklin Fueling Systems released the following to fix this vulnerability: TS-550: Version 1.9.23.8960 For more information, contact Franklin Fueling System. CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as: Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet. Locate control system networks and remote devices behind firewalls and isolating them from business networks. When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. 5. UPDATE HISTORY November 2, 2023: Initial Publication

CISA released six Industrial Control Systems (ICS) advisories on November 2, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-306-01 Red Lion Crimson ICSA-23-306-02 Mitsubishi Electric MELSEC iQ-F Series CPU Module ICSA-23-306-03 Mitsubishi Electric MELSEC Series ICSA-23-306-04 Franklin Fueling System TS-550 ICSA-23-306-05 Weintek EasyBuilder Pro ICSA-23-306-06 Schneider Electric SpaceLogic C-Bus Toolkit CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations.

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Weintek Equipment: EasyBuilder Pro Vulnerability: Use of Hard-coded Credentials 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to obtain remote control of a victim's computer as a privileged user. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following Weintek products are affected: EasyBuilder Pro: Versions prior to v6.07.02 EasyBuilder Pro: Versions 6.08.01.592 and prior EasyBuilder Pro: Versions 6.08.02.470 and prior 3.2 Vulnerability Overview 3.2.1 USE OF HARD-CODED CREDENTIALS CWE-798 The affected product contains a vulnerability that, even when the private key is immediately deleted after the crash report transmission is finished, the private key is exposed to the public, which could result in obtaining remote control of the crash report server. CVE-2023-5777 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: Taiwan 3.4 RESEARCHER Hank Chen (PSIRT and Threat Research of TXOne Networks) reported this vulnerability to CISA. 4. MITIGATIONS Weintek recommends users apply the following mitigations: Update EasyBuilder Pro to v6.08.01.614 Update EasyBuilder Pro to v6.08.02.500 CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as: Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet. Locate control system networks and remote devices behind firewalls and isolating them from business networks. When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. 5. UPDATE HISTORY November 2, 2023: Initial Publication

Atlassian released a security advisory to address a vulnerability (CVE-2023-22518) affecting Confluence Data Center and Server. A cyber actor could exploit this vulnerability to obtain sensitive information. CISA encourages users and administrators to review CVE-2023-22518 - Improper Authorization Vulnerability In Confluence Data Center and Server and apply the necessary updates or mitigations.

Gulf countries are heavily invested in GenAI, but security is still a concern.