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Cisco ASA Clientless VPN Information Disclosure and DoS Vulnerability

Information

Severity

Severity

High

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

8.3

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

3 years ago

Summary

Cisco ASA Clientless VPN Portal is prone to a Information Disclosure and Denial of Service vulnerability.

Insight

Insight

A vulnerability in the Clientless SSL VPN portal feature could allow an unauthenticated, remote attacker to access random memory locations. Due to this vulnerability, the attacker may be able to access the information stored in memory and in some cases may be able to corrupt this portion of memory, which could lead to a reload of the affected system. The vulnerability is due to insufficient sanitization of user-supplied input.

Affected Software

Affected Software

Version 8.2, 8.3, 8.4, 8.6, 9.0, 9.1, 9.2 and 9.3

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)