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Unrated severityNVD Advisory· Published Feb 27, 2013· Updated Jun 16, 2026

CVE-2013-1133

CVE-2013-1133

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.

AI Insight

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

Affected products

9
  • Cisco Systems, Inc./Unified Communications Manager9 versions
    cpe:2.3:a:cisco:unified_communications_manager:8.6:*:*:*:*:*:*:*+ 8 more
    • cpe:2.3:a:cisco:unified_communications_manager:8.6:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.6\(1\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.6\(1a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.6\(2\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.6\(2a\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.6\(2a\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.6\(4\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:9.0\(1\):*:*:*:*:*:*:*
    • (no CPE)range: <8.6(2a)su2 (8.6), <8.6(4) BE3k (8.6 BE3k), <9.0(1) (9.x)

Patches

Vulnerability mechanics

References

1

News mentions

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