Unrated severityNVD Advisory· Published Oct 18, 2007· Updated Apr 23, 2026

CVE-2007-5537

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.

Affected products

Cisco Systems, Inc./Unified Callmanager
cpe:2.3:a:cisco:unified_callmanager:5.0:*:*:*:*:*:*:*
Cisco Systems, Inc./Unified Communications Manager
cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
Range: <=5.1\(2\)

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

osvdb.org/37941nvd
secunia.com/advisories/27296nvd
www.cisco.com/en/US/products/products_security_advisory09186a00808dda34.shtmlnvd
www.securityfocus.com/bid/26105nvd
www.securitytracker.com/idnvd
www.vupen.com/english/advisories/2007/3532nvd
exchange.xforce.ibmcloud.com/vulnerabilities/37246nvd

News mentions

No linked articles in our index yet.

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