The SIPStationInit implementation in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.1SU before 6.1(5)SU1, 7.0SU before 7.0(2a)SU3, 7.1SU before 7.1(3b)SU2, 7.1 before 7.1(5), and 8.0 before 8.0(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP message, aka Bug ID CSCtd17310.
CVSS Severity (version 2.0):
Impact Subscore: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service
'Cisco bug ID CSCtd17310 and has been assigned the CVE identifier CVE-2010-2837. This vulnerability is fixed in Cisco Unified Communications Manager versions 6.1(5)SU1, 7.0(2a)SU3, 7.1(3b)SU2, 7.1(5) and 8.0(1). Cisco Unified Communications Manager version 4.x is not affected.'
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20100825 Cisco Unified Communications Manager Denial of Service Vulnerabilities
Advisory; Patch Information