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Cisco Security Advisories
Cisco Security Advisories
Cisco Security Advisories (the 40 most recent advisories)

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  • Cisco IOS XR Software Border Gateway Protocol Vulnerability
    Cisco IOS XR Software contains a vulnerability in the Border Gateway Protocol (BGP) feature. The vulnerability manifests itself when a BGP peer announces a prefix with a specific, valid but unrecognized transitive attribute. On receipt of this prefix, the Cisco IOS XR device will corrupt the attribute before sending it to the neighboring devices. Neighboring devices that receive this corrupted update may reset the BGP peering session.

  • Cisco Unified Communications Manager Denial of Service Vulnerabilities
    Cisco Unified Communications Manager contains two denial of service (DoS) vulnerabilities that affect the processing of Session Initiation Protocol (SIP) messages. Exploitation of these vulnerabilities could cause an interruption of voice services.

  • Cisco Unified Presence Denial of Service Vulnerabilities
    Cisco Unified Presence contains two denial of service (DoS) vulnerabilities that affect the processing of Session Initiation Protocol (SIP) messages. Exploitation of these vulnerabilities could cause an interruption of presence services.

  • Cisco IOS Software TCP Denial of Service Vulnerability
    Cisco IOS Software Release, 15.1(2)T is affected by a denial of service (DoS) vulnerability during the TCP establishment phase. The vulnerability could cause embryonic TCP connections to remain in a SYNRCVD or SYNSENT state. Enough embryonic TCP connections in these states could consume system resources and prevent an affected device from accepting or initiating new TCP connections, including any TCP-based remote management access to the device.

  • Multiple Vulnerabilities in the Cisco ACE Application Control Engine Module and Cisco ACE 4710 Application Control Engine
    The Cisco ACE Application Control Engine Module and Cisco ACE 4710 Application Control Engine contain the following DoS vulnerabilities: Real-Time Streaming Protocol (RTSP) inspection DoS vulnerability HTTP, RTSP, and Session Initiation Protocol (SIP) inspection DoS vulnerability Secure Socket Layer (SSL) DoS vulnerability SIP inspection DoS vulnerability