CVEvulnerability

CVE-2009-2051

7.8 HIGH Published 2009-08-27 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2009-08-27
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C

Description

Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.

Affected configurations

• cisco unified communications manager (>= 5.0 < 5.1\(3g\)) • cisco unified communications manager (>= 6.1\(1\) < 6.1\(4\)) • cisco unified communications manager (>= 7.1 < 7.1\(2\)) • cisco ios (>= 12.2 <= 12.4) • cisco ios (>= 15.0 <= 15.1) • cisco ios xe (>= 2.5.0 <= 2.6.1)

References