CVE-2008-2061

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-06-26 · updated 2026-06-16
Weakness: CWE-20

Description

The Computer Telephony Integration (CTI) Manager service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3c) and 6.x before 6.1(2) allows remote attackers to cause a denial of service (TSP crash) via malformed network traffic to TCP port 2748.

Affected products

Cisco Unified Communications Manager: from 5.0 before 5.1\(3c\); from 6.0 before 6.1\(2\) — fixed in 5.1\(3c\), 6.1\(2\)

How to fix

Upgrade to a fixed version: Cisco Unified Communications Manager 5.1\(3c\), 6.1\(2\). Check the vendor advisory for mitigations.

References

http://secunia.com/advisories/30848
http://www.cisco.com/en/US/products/products_security_advisory09186a00809b9011.shtml
http://www.securityfocus.com/bid/29933
http://www.securitytracker.com/id?1020360
http://www.vupen.com/english/advisories/2008/1933/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/43349
http://secunia.com/advisories/30848
http://www.cisco.com/en/US/products/products_security_advisory09186a00809b9011.shtml
http://www.securityfocus.com/bid/29933
http://www.securitytracker.com/id?1020360
http://www.vupen.com/english/advisories/2008/1933/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/43349

Get alerted when CVE-2008-2061 or the next vulnerability affects your stack