| Package | Affected versions | Patched versions |
|---|---|---|
| unified communications manager | ≥ 5.0, < 5.1\(3c\)≥ 6.0, < 6.1\(2\) | 5.1\(3c\)6.1\(2\) |
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.
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