HIGH · 7.8

CVE-2012-3949

The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5, 8.x before 8.5(1)su4, and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15.2;...

Vulnerability Description

The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5, 8.x before 8.5(1)su4, and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15.2; and Cisco IOS XE 3.3.xSG before 3.3.1SG, 3.4.xS, and 3.5.xS allows remote attackers to cause a denial of service (service crash or device reload) via a crafted SIP message containing an SDP session description, aka Bug IDs CSCtw66721, CSCtj33003, and CSCtw84664.

CVSS Score

7.8

HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C
Confidentiality
NONE
Integrity
NONE
Availability
COMPLETE

Affected Products

VendorProductVersions
CiscoUnified Communications Manager6.0\(1a\)
CiscoIos12.2
CiscoIos Xe3.3.0sg

Related Weaknesses (CWE)

References

FAQ

What is CVE-2012-3949?

CVE-2012-3949 is a vulnerability with a CVSS score of 7.8 (HIGH). The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5, 8.x before 8.5(1)su4, and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15.2;...

How severe is CVE-2012-3949?

CVE-2012-3949 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2012-3949?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Unified Communications Manager, Cisco Ios, Cisco Ios Xe.