Cisco Adaptive Security Appliance Software Clientless SSL VPN Client-Side Request Smuggling Vulnerability

A vulnerability in the Clientless SSL VPN (WebVPN) component of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to conduct browser-based attacks.

This vulnerability is due to improper validation of input that is passed to the Clientless SSL VPN component. An attacker could exploit this vulnerability by convincing a targeted user to visit a website that can pass malicious requests to an ASA device that has the Clientless SSL VPN feature enabled. A successful exploit could allow the attacker to conduct browser-based attacks, including cross-site scripting attacks, against the targeted user.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:

Security Impact Rating: Medium

CVE: CVE-2022-20713


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