CVE-2009-2051

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

27/08/2009

Last modified:

09/04/2025

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.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0

7.80

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:cisco:unified_communications_manager::::::::	5.0 (including)	5.1\(3g\) (excluding)
cpe:2.3:a:cisco:unified_communications_manager::::::::	6.1\(1\) (including)	6.1\(4\) (excluding)
cpe:2.3:a:cisco:unified_communications_manager::::::::	7.1 (including)	7.1\(2\) (excluding)
cpe:2.3:o:cisco:ios::::::::	12.2 (including)	12.4 (including)
cpe:2.3:o:cisco:ios::::::::	15.0 (including)	15.1 (including)
cpe:2.3:o:cisco:ios_xe::::::::	2.5.0 (including)	2.6.1 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2009-2051

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools