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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

7 years ago

Modified

Modified

3 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.

Common Vulnerabilities and Exposures (CVE)