VulnerabilityModified

CVE-2009-2051

HIGH 7.8EPSS 3.44%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 2.0: 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS: 3.44% probability · 88th percentile
CISA KEV: Not listed
Affected: cisco/unified communications manager · cisco/ios · cisco/ios xe
Source: psirt@cisco.com

References

http://osvdb.org/57453Broken Link
http://secunia.com/advisories/36498Third Party Advisory
http://secunia.com/advisories/36499Third Party Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlPatch, Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a30f.shtmlVendor Advisory
http://www.securityfocus.com/bid/36152Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022775Third Party Advisory, VDB Entry
http://osvdb.org/57453Broken Link
http://secunia.com/advisories/36498Third Party Advisory
http://secunia.com/advisories/36499Third Party Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlPatch, Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a30f.shtmlVendor Advisory
http://www.securityfocus.com/bid/36152Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022775Third Party Advisory, VDB Entry

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.