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; and Cisco IOS XE 3.3.xSG before 3.3.1SG, 3.4.xS, and…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 3.20% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- cisco/unified communications manager · cisco/ios · cisco/ios xe
- Source
- psirt@cisco.com
References
- http://osvdb.org/85816Broken Link
- http://secunia.com/advisories/50774Not Applicable
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-cucmVendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-sipVendor Advisory
- http://www.securityfocus.com/bid/55697Third Party Advisory, VDB Entry
- http://osvdb.org/85816Broken Link
- http://secunia.com/advisories/50774Not Applicable
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-cucmVendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-sipVendor Advisory
- http://www.securityfocus.com/bid/55697Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.