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Cisco ASA XAUTH Bypass Vulnerability
Information
Severity
Severity
Medium
Family
Family
CISCO
CVSSv2 Base
CVSSv2 Base
4.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:S/C:P/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
8 years ago
Modified
Modified
5 years ago
Summary
Cisco ASA is prone to a XAUTH bypass vulnerability.
Insight
Insight
A vulnerability in IKE version 1 code of Cisco ASA Software could allow an authenticated, remote attacker to bypass Extended Authentication (XAUTH) and successfully log in via IPsec remote VPN. The vulnerability is due to improper implementation of the logic of the XAUTH code.
Affected Software
Affected Software
Version 7.x, 8.0, 8.1 and 8.2
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Apply the appropriate updates from Cisco.