CVE-2009-0631

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-03-27 · updated 2026-06-16

Description

Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when configured with (1) IP Service Level Agreements (SLAs) Responder, (2) Session Initiation Protocol (SIP), (3) H.323 Annex E Call Signaling Transport, or (4) Media Gateway Control Protocol (MGCP) allows remote attackers to cause a denial of service (blocked input queue on the inbound interface) via a crafted UDP packet.

Affected products

Cisco IOS: 12.0, 12.0da, 12.0db, 12.0dc, 12.0s, 12.0sc (+304)

References

http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90426.shtml
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
http://www.securityfocus.com/bid/34245
http://www.securitytracker.com/id?1021904
https://exchange.xforce.ibmcloud.com/vulnerabilities/49419
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6720
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90426.shtml
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
http://www.securityfocus.com/bid/34245
http://www.securitytracker.com/id?1021904
https://exchange.xforce.ibmcloud.com/vulnerabilities/49419
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6720

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