CVE-2008-1743
Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications...
Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) and 6.x before 6.1(1) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, aka Bug ID CSCsi98433.
Exploit likelihood
What each source reports
NVD Score used
Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) and 6.x before 6.1(1) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, aka Bug ID CSCsi98433.
- Record
CVE-2008-1743- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) and 6.x before 6.1(1) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, aka Bug ID CSCsi98433.
- Record
CVE-2008-1743- Updated
- 2026-11-02
EUVDEUVD-2008-1743 No score
Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) and 6.x before 6.1(1) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, aka Bug ID CSCsi98433.
- Record
EUVD-2008-1743- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vcf6-rqgx-fhj7 No score
Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications...
Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) and 6.x before 6.1(1) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, aka Bug ID CSCsi98433.
- Record
GHSA-vcf6-rqgx-fhj7- 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-2008-1743 is a high vulnerability (CVSS 7.8) in Cisco Unified Communications Manager, published May 16, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. No source names a fixed version.
References
cisco.com/en/US/products/products_security_advisory09186a0080995688.shtml
vupen.com/english/advisories/2008/1533
securityfocus.com/bid/29221
secunia.com/advisories/30238
securitytracker.com/id?1020022
exchange.xforce.ibmcloud.com/vulnerabilities/42414
nvd.nist.gov/vuln/detail/CVE-2008-1743
github.com/advisories/GHSA-vcf6-rqgx-fhj7