CVE-2006-5277
Off-by-one error in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco...
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.
Exploit likelihood
What each source reports
NVD Score used
9.3
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.
- Record
CVE-2006-5277- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-5277- Updated
- 2026-11-02
EUVDEUVD-2006-5262 No score
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.
- Record
EUVD-2006-5262- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cj86-xvvm-mh59 No score
Off-by-one error in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco...
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.
- Record
GHSA-cj86-xvvm-mh59- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-5277 is a high vulnerability (CVSS 9.3) in Cisco Unified Communications Manager, published July 15, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.57%, the 95th percentile. No source names a fixed version.