CVEvulnerability

CVE-2011-3279

7.8 HIGH Published 2011-10-03 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-10-03
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C

Description

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.

Affected configurations

• cisco ios xe 3.1.0sg • cisco ios xe 3.1.1sg • cisco ios (>= 12.1 <= 12.4) • cisco ios (>= 15.0 <= 15.1)

References