CVE-2009-0631
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.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- EPSS score
- 1.9% (80th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0634)
- Published
- March 27, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0634 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
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- cisco / ios
and 260 more…
References
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90426.shtml(Patch, Vendor Advisory)
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml(Patch, Vendor Advisory)
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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