CVE-2008-0027
Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager…
- 10.0HighCVSS base score
- 57.1%Exploitation in 30 daysEPSS · top 0.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM) 4.2 before 4.2(3)SR3 and 4.3 before 4.3(1)SR1, and CallManager 4.0 and 4.1 before 4.1(3)SR5c, allows remote attackers to cause a denial of service or execute arbitrary code via a long request.
Timeline
ID reserved
By cisco
- 31 days later
· 31 days later
Published
- 17 years later
· 17 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 57.1% · top 0.9% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Affected products
n/a
- affected n/a
References
9
- 20080116 TPTI-08-02: Cisco Call Manager CTLProvider Heap Overflow Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- ADV-2008-0171 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 3551 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 20080116 Cisco Unified Communications Manager CTL Provider Heap Overflow (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- http://dvlabs.tippingpoint.com/advisory/TPTI-08-02 (opens in a new tab)x_refsource_MISCx_transferred
- cisco-cucm-ctl-bo(39704) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1019223 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 27313 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 28530 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2008-0040 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2008-0027)Record last updated .