CVE-2007-5537

no score yetEPSS 2.0%

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.

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-399
Published: 2007-10-18
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

cisco:unified_callmanager
cisco:unified_communications_manager

References

http://osvdb.org/37941
http://secunia.com/advisories/27296
http://www.cisco.com/en/US/products/products_security_advisory09186a00808dda34.shtml
http://www.securityfocus.com/bid/26105
http://www.securitytracker.com/id?1018828

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