Vulnerability Monitor

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CVE-2011-3279

The provider-edge MPLS NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload) via a malformed SIP packet to UDP port 5060, aka Bug ID CSCti98219.

Published

2011-10-03T23:55:03.907

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios_xe	3.1.0sg	Yes
Operating System	cisco	ios_xe	3.1.1sg	Yes
Operating System	cisco	ios	≤ 12.4	Yes
Operating System	cisco	ios	≤ 15.1	Yes

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=24121 Vendor Advisory ([email protected])
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4d.shtml Vendor Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13781 Third Party Advisory ([email protected])
http://tools.cisco.com/security/center/viewAlert.x?alertId=24121 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4d.shtml Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13781 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)