Back to Database
Status published
High
CVE-2013-1133
Cisco Unified Communications Manager (CUCM) 8.6 before 8.6(2a)su2, 8.6 BE3k...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2013-1133
Credits & Attribution
No credits recorded in the NVD database.
References
More from cisco
View All →CVE-2025-27091
OpenH264 Decoding Functions Heap Overflow Vulnerability
High
8.6
CVE-2023-25653
Improper calculations in ECC implementation can trigger a Denial-of-Service (DoS)
High
7.5
CVE-2021-33478
The TrustZone implementation in certain Broadcom MediaxChange firmware could allow...
Medium
6.8
CVE-2020-16139
A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0...
High
7.5
CVE-2020-16138
A denial-of-service issue in Cisco Unified IP Conference Station 7937G...
High
7.5
Affected Vendor
cisco
View all reports →Affected Software
unified communications manager
Vulnerable Versions:
8.6, 8.6\(1\), 8.6\(1a\), 8.6\(2\), 8.6\(2a\), 8.6\(2a\)su1, 8.6\(4\), 9.0\(1\)
Timeline
Official Publish:
February 27th, 2013
Last Modified:
September 17th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.