CVE-2009-2867

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-09-28 · updated 2026-06-16

Description

Unspecified vulnerability in Cisco IOS 12.2XNA, 12.2XNB, 12.2XNC, 12.2XND, 12.4T, 12.4XZ, and 12.4YA, when Zone-Based Policy Firewall SIP Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a crafted SIP transit packet, aka Bug ID CSCsr18691.

Affected products

Cisco IOS: 12.2xna, 12.2xnb, 12.2xnc, 12.2xnd, 12.4t, 12.4xz (+2)

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=18886
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8130.shtml
http://www.securitytracker.com/id?1022930
http://www.vupen.com/english/advisories/2009/2759
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7254
http://tools.cisco.com/security/center/viewAlert.x?alertId=18886
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8130.shtml
http://www.securitytracker.com/id?1022930
http://www.vupen.com/english/advisories/2009/2759
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7254

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