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Unrated severityNVD Advisory· Published Nov 1, 2011· Updated Jun 16, 2026

CVE-2011-0941

CVE-2011-0941

Description

Memory leak in Cisco Unified Communications Manager (CUCM) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1), and Cisco IOS 12.4 and 15.1, allows remote attackers to cause a denial of service (memory consumption and process failure or device reload) via a malformed SIP message, aka Bug IDs CSCti75128 and CSCtj09179.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

55
  • Cisco Systems, Inc./Unified Communications Manager52 versions
    cpe:2.3:a:cisco:unified_communications_manager:6.0:*:*:*:*:*:*:*+ 51 more
    • cpe:2.3:a:cisco:unified_communications_manager:6.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(1\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(1a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(1b\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(2\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(2\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(2\)su1a:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(3\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(3a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(3b\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(3b\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(4\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(4a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(4a\)su2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(4\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(5\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:6.1\(5\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.0\(1\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.0\(1\)su1a:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.0\(2\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.0\(2a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.0\(2a\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.0\(2a\)su2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(2a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(2a\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(2b\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(2b\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(3\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(3a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(3a\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(3a\)su1a:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(3b\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(3b\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(3b\)su2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(5\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(5a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(5b\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(5b\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(5b\)su1a:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(5b\)su2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(5\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:7.1\(5\)su1a:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.0\(1\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.0\(2\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.0\(2a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.0\(2b\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.0\(2c\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.0\(2c\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.0\(3a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.5:*:*:*:*:*:*:*
    • (no CPE)range: 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, 8.5 before 8.5(1)
  • Cisco Systems, Inc./Cisco iOS3 versions
    cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
    • (no CPE)range: 12.4, 15.1

Patches

Vulnerability mechanics

References

2

News mentions

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