CVE-2009-2864

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-09-28 · updated 2026-06-16

Description

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 5.x before 5.1(3g), 6.x before 6.1(4), 7.0.x before 7.0(2a)su1, and 7.1.x before 7.1(2) allows remote attackers to cause a denial of service (service restart) via malformed SIP messages, aka Bug ID CSCsz95423.

Affected products

Cisco Unified Callmanager: 5.0(1), 5.0(2), 5.0(2a), 5.0(3), 5.0(3a), 5.0(4) (+21)
Cisco Unified Communications Manager: 5.1(1b), 5.1(1c), 5.1(2), 5.1(2a), 5.1(3), 5.1(3a) (+13)

References

http://osvdb.org/58344
http://secunia.com/advisories/36836
http://tools.cisco.com/security/center/viewAlert.x?alertId=18883
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8118.shtml
http://www.securityfocus.com/bid/36496
http://www.securitytracker.com/id?1022931
http://www.vupen.com/english/advisories/2009/2757
https://exchange.xforce.ibmcloud.com/vulnerabilities/53447
http://osvdb.org/58344
http://secunia.com/advisories/36836
http://tools.cisco.com/security/center/viewAlert.x?alertId=18883
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8118.shtml

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