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Case File

CVE-2013-1133

HIGH · CVSS 7.8 EPSS 1.33%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2013-02-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Cisco. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2013-1133
Severity
HIGH
CVSS
7.8
EPSS
1.33%
Cisco

Original NVD 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.