CVE-2006-5277

Name: CVE-2006-5277
Creator: NVD / NIST
Published: 2007-07-15T21:30:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 9.57%

Last modified Jun 16, 2026

CVE-2006-5277 is a vulnerability of currently unknown severity. 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 estimates a 9.57% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

9.57%

94.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Unified Callmanager	>= 3.3, <= 3.3\(5\)sr2
Cisco	Unified Callmanager	>= 4.1, <= 4.1\(3\)sr4
Cisco	Unified Callmanager	>= 4.2, <= 4.2\(3\)sr1
Cisco	Unified Callmanager	5.0
Cisco	Unified Communications Manager	>= 4.3, <= 4.3\(1\)
Cisco	Unified Communications Manager	>= 5.1, <= 5.1\(1\)

References

http://secunia.com/advisories/26043Third Party Advisory
http://securitytracker.com/id?1018369Third Party Advisory, VDB Entry
http://www.cisco.com/warp/public/707/cisco-sa-20070711-cucm.shtmlVendor Advisory
http://www.iss.net/threats/270.htmlBroken Link
http://www.osvdb.org/36122Broken Link
http://www.securityfocus.com/bid/24868Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2007/2512Permissions Required, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/31437Third Party Advisory, VDB Entry
http://secunia.com/advisories/26043Third Party Advisory
http://securitytracker.com/id?1018369Third Party Advisory, VDB Entry
http://www.cisco.com/warp/public/707/cisco-sa-20070711-cucm.shtmlVendor Advisory
http://www.iss.net/threats/270.htmlBroken Link
http://www.osvdb.org/36122Broken Link
http://www.securityfocus.com/bid/24868Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2007/2512Permissions Required, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/31437Third Party Advisory, VDB Entry

Timeline

Published: Jul 15, 2007
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-5277?

How severe is CVE-2006-5277?

Severity scoring for CVE-2006-5277 is pending analysis. The EPSS model estimates a 9.57% probability of exploitation in the next 30 days.

How do I fix CVE-2006-5277?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-5277?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST