VULNERABILITY INTELLIGENCE
CVE-2013-1133
CVSS score7.8 HIGH
EPSS probability1.33%
CISA KEVNot currently listed
Published2013-02-27
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- psirt@cisco.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory