CVE-2009-2051
highpriority · track · 32EPSS 0.034 · 89 %ileEUUSEPSS · scored 2026-10-27
Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- cisco unified communications manager5.0 → 5.1\(3g\)nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
- cisco unified communications manager6.1\(1\) → 6.1\(4\)nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
- cisco unified communications manager7.1 → 7.1\(2\)nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- http://osvdb.org/57453enisa_euvd
- http://secunia.com/advisories/36498enisa_euvd
- http://secunia.com/advisories/36499enisa_euvd
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlenisa_euvd
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a30f.shtmlenisa_euvd
- http://www.securityfocus.com/bid/36152enisa_euvd
- http://www.securitytracker.com/id?1022775enisa_euvd
- http://osvdb.org/57453Broken Linknvd
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