Cisco Content Services Gateway TCP denial of service

cisco-csg2-tcp-dos (64937) The risk level is classified as MediumMedium Risk


Cisco Content Services Gateway is vulnerable to a denial of service. By sending a specially-crafted TCP packet, a remote attacker could exploit this vulnerability to cause the device to reload or hang.


Base Score: 7.8
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
Temporal Score: 5.8
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed


Denial of Service


Refer to cisco-sa-20110126-csg2 for patch, upgrade or suggested workaround information. See References.


  • cisco-sa-20110126-csg2: Cisco Content Services Gateway Vulnerabilities.
  • BID-46026: Cisco Content Services Gateway Malformed TCP Packet (CVE-2011-0349) Denial of Service Vulnerability
  • CVE-2011-0349: Unspecified vulnerability in Cisco IOS 12.4(24)MD before 12.4(24)MD2 on the Cisco Content Services Gateway Second Generation (aka CSG2) allows remote attackers to cause a denial of service (device hang or reload) via crafted TCP packets, aka Bug ID CSCth17178, a different vulnerability than CVE-2011-0350.
  • OSVDB ID: 70721: Cisco Content Services Gateway Second Generation Crafted TCP Packet Unspecified Remote DoS (2011-0349)
  • SA43052: Cisco Content Services Gateway Security Bypass and Denial of Service

Platforms Affected:

  • Cisco IOS 12.0
  • Cisco IOS 15.0M


Jan 26, 2011

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