The CMSIPUtility component in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(3a)su1 and 8.x before 8.0(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP Register message, aka Bug ID CSCtc37188.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| n/a n/a | — | not specified | advisory ↗ |