Unscored severity · published May 16, 2008
CVE-2008-1743
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…
–
CVSS
1.5%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UC
Unified Communications Manager · Cisco
5.0 before 5.1\(3\); 6.0 before 6.1\(1\) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2008-1743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2008-1743
Third Party Advisory
http://secunia.com/advisories/30238
Third Party Advisory
http://securitytracker.com/id?1020022
Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080995688.shtml
Third Party Advisory
http://www.securityfocus.com/bid/29221
Third Party Advisory
http://www.vupen.com/english/advisories/2008/1533
Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/42414
More from Unified Communications Manager
9.8
CVE-2026-20045
Cisco Unified Communications Products Remote Code Execution Vulnerability
8.6
CVE-2026-20230
Cisco Unified Communications Manager Server-Side Request Forgery Vulnerability
10.0
CVE-2025-20309
Cisco Unified Communications Manager Static SSH Credentials Vulnerability
10.0
CVE-2024-20253
A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an…
9.8
CVE-2017-12337
A vulnerability in the upgrade mechanism of Cisco collaboration products based on the Cisco Voice Operating System software platform could allow an unauthenticated, remote…
