CVE-2007-5537

Cisco Unified Communications Manager < 5.1(2) - Denial of Service via SIP INVITE Flood

Title source: llm

Description

Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.

References (7)

Core 7

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/26105

Third Party Advisory, VDB Entry vdb-entry x_refsource_xf

https://exchange.xforce.ibmcloud.com/vulnerabilities/37246

Third Party Advisory vdb-entry x_refsource_vupen

http://www.vupen.com/english/advisories/2007/3532

Vendor Advisory vendor-advisory x_refsource_cisco

http://www.cisco.com/en/US/products/products_security_advisory09186a00808dda34.shtml

Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb

http://osvdb.org/37941

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id?1018828

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/27296

Scores

EPSS 0.0198

EPSS Percentile 78.4%

Details

CWE

CWE-399

Status published

Products (2)

cisco/unified_callmanager 5.0

cisco/unified_communications_manager < 5.1\(2\)

Published Oct 18, 2007

Tracked Since Feb 18, 2026