Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.
| Software | From | Fixed in |
|---|---|---|
| cisco / unified_communications_manager | - | 5.1\(2\).x |
| cisco / unified_callmanager | 5.0 | 5.0.x |