Cisco CSS UDP packet denial of service

cisco-css-udp-dos (15388) The risk level is classified as MediumMedium Risk


Cisco Content Services Switch (CSS) 11000 series switches running with WebNS are vulnerable to a denial of service attack. By sending malformed UDP packets to the management port (UDP port 5002), a remote attacker can cause the device to reload.


Denial of Service


Upgrade to the latest version of Cisco WebNS Software for your device (05.0(04.07)S or later or 06.10(02.05)S or later), available from the Cisco Security Advisory 2004 dated March 4 at 1700 UTC (GMT). See References.


  • Cisco Systems Inc. Security Advisory, 2004 March 4 at 1700 UTC (GMT): Cisco CSS 11000 Series Content Services Switches Malformed UDP Packet Vulnerability.
  • BID-9806: Cisco Content Service Switch Management Port UDP Denial Of Service Vulnerability
  • CVE-2004-0352: Cisco 11000 Series Content Services Switches (CSS) running WebNS 5.0(x) before 05.0(04.07)S, and 6.10(x) before 06.10(02.05)S allow remote attackers to cause a denial of service (device reset) via a malformed packet to UDP port 5002.
  • OSVDB ID: 4139: Cisco Content Services Switch 11000 Series WebNS DoS
  • US-CERT VU#363374: Cisco CSS 11000 Series Content Services Switch vulnerable to DoS via malformed UDP packets

Platforms Affected:

  • Cisco Content Services Switch 11000
  • Cisco Content Services Switch 11050
  • Cisco Content Services Switch 11150
  • Cisco Content Services Switch 11800


Mar 04, 2004

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