CVE-2011-1604

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-05-03 · updated 2026-06-16
Weakness: CWE-399

Description

Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.

Affected products

Cisco Unified Communications Manager: 6.0, 6.1(1), 6.1(1a), 6.1(1b), 6.1(2), 6.1(2)su1 (+41)

References

http://archives.neohapsis.com/archives/fulldisclosure/2011-05/0051.html
http://secunia.com/advisories/44331
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b79904.shtml
http://www.securityfocus.com/bid/47609
http://www.securitytracker.com/id?1025449
http://www.vupen.com/english/advisories/2011/1122
https://exchange.xforce.ibmcloud.com/vulnerabilities/67122
http://archives.neohapsis.com/archives/fulldisclosure/2011-05/0051.html
http://secunia.com/advisories/44331
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b79904.shtml
http://www.securityfocus.com/bid/47609
http://www.securitytracker.com/id?1025449

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