CVE-2006-5277

no score yetEPSS 9.6%

Off-by-one error in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM, formerly CallManager) before 20070711 allow remote attackers to execute arbitrary code via a crafted packet that triggers a heap-based buffer overflow.

EPSS: 9.6% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
Published: 2007-07-15
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

cisco:unified_callmanager
cisco:unified_communications_manager

References

http://secunia.com/advisories/26043
http://securitytracker.com/id?1018369
http://www.cisco.com/warp/public/707/cisco-sa-20070711-cucm.shtml
http://www.iss.net/threats/270.html
http://www.osvdb.org/36122

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