Cisco IOS XE Software Layer 2 Tunneling Protocol Denial of Service Vulnerability
Information
Severity
Severity
High
Family
Family
CISCO
CVSSv2 Base
CVSSv2 Base
7.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
5 years ago
Modified
Modified
3 years ago
Summary
A vulnerability in the Layer 2 Tunneling Protocol (L2TP) parsing function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload.
Insight
Insight
The vulnerability is due to insufficient validation of L2TP packets. An attacker could exploit this vulnerability by sending a crafted L2TP packet to an affected device.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See the referenced vendor advisory for a solution.
Common Vulnerabilities and Exposures (CVE)
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