CVE-2013-1133

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-27 · updated 2026-06-16
Weakness: CWE-20

Description

Cisco Unified Communications Manager (CUCM) 8.6 before 8.6(2a)su2, 8.6 BE3k before 8.6(4) BE3k, and 9.x before 9.0(1) allows remote attackers to cause a denial of service (CPU consumption and GUI and voice outages) via malformed packets to unused UDP ports, aka Bug ID CSCtx43337.

Affected products

Cisco Unified Communications Manager: 8.6, 8.6(1), 8.6(1a), 8.6(2), 8.6(2a), 8.6(2a)su1 (+2)

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130227-cucm
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130227-cucm

Get alerted when CVE-2013-1133 or the next vulnerability affects your stack