| Package | Affected versions | Patched versions |
|---|---|---|
| unified callmanager | = 5.0 | |
| unified communications manager | ≤ 5.1\(2\) |
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.
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