CVE-2009-0636
HIGH · CVSS 7.8EPSS 2.9%EU EUVD
Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when SIP voice services are enabled, allows remote attackers to cause a denial of service (device crash) via a valid SIP message.
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
- 2.9% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0639)
- 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-2009-0639 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
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- cisco / ios
- cisco / ios
- cisco / ios
and 260 more…
References
- http://secunia.com/advisories/34438(Vendor Advisory)
- http://securitytracker.com/id?1021902
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml(Patch, Vendor Advisory)
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a904c0.shtml(Patch, Vendor Advisory)
- http://www.securityfocus.com/bid/34243
- http://www.vupen.com/english/advisories/2009/0851(Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49421
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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