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CVE-2006-5277

CRITICAL

9.3

CVSS Severity Score

EPSS Score0.1940%

EPSS Percentile39.27th

PublishedJul 15, 2007

Last ModifiedApr 23, 2026

Vulnerability Description

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.

Affected Platforms (CPE)

📦

Cisco

Unified Callmanager

>= 3.3 and <= 3.3\(5\)sr2

📦

Cisco

Unified Callmanager

>= 4.1 and <= 4.1\(3\)sr4

📦

Cisco

Unified Callmanager

>= 4.2 and <= 4.2\(3\)sr1

📦

Cisco

Unified Callmanager

= 5.0

📦

Cisco

Unified Communications Manager

>= 4.3 and <= 4.3\(1\)

📦

Cisco

Unified Communications Manager

>= 5.1 and <= 5.1\(1\)

References & Advisories

🔗 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

🔗 http://www.securityfocus.com/bid/24868

🔗 http://www.vupen.com/english/advisories/2007/2512

🔗 https://exchange.xforce.ibmcloud.com/vulnerabilities/31437

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