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Unrated severityNVD Advisory· Published Aug 25, 2013· Updated Jun 16, 2026

CVE-2013-3461

CVE-2013-3461

Description

Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869.

AI Insight

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

Affected products

16
  • Cisco Systems, Inc./Unified Communications Manager16 versions
    cpe:2.3:a:cisco:unified_communications_manager:8.5:*:*:*:*:*:*:*+ 15 more
    • cpe:2.3:a:cisco:unified_communications_manager:8.5:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.5\(1\):*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.5\(1\)su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.5\(1\)su2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.5\(1\)su3:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.5\(1\)su4:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:8.5\(1\)su5:*:*:*:*:*:*:*
    • 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\(2a\)su2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unified_communications_manager:9.0\(1\):*:*:*:*:*:*:*
    • (no CPE)range: 8.5.x, 8.6.x < 8.6(2a)su3, 9.x < 9.1(1)

Patches

Vulnerability mechanics

References

2

News mentions

0

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