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Case File

CVE-2011-2561

HIGH · CVSS 7.1 EPSS 1.06%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-08-29 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE
CVE-2011-2561
Severity
HIGH
CVSS
7.1
EPSS
1.06%
Cisco

Original Filing — NVD Description

The SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does not properly handle SDP data within a SIP call in certain situations related to use of the g729ar8 codec for a Media Termination Point (MTP), which allows remote attackers to cause a denial of service (service outage) via a crafted call, aka Bug ID CSCtc61990.