Inconsistent interpretation of HTTP requests in Cisco Adaptive Security Appliance (ASA) - CVE-2022-20713

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Main Vulnerability Database Vulnerabilities #VU66392

Inconsistent interpretation of HTTP requests in Cisco Adaptive Security Appliance (ASA) - CVE-2022-20713

Published: August 11, 2022


Vulnerability identifier: #VU66392
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-20713
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Adaptive Security Appliance (ASA)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests in the Clientless SSL VPN (WebVPN) component. A remote attacker can trick a victim to visit a malicious website that can pass malicious requests to an ASA device that has the Clientless SSL VPN feature enabled and conduct browser-based attacks.


Remediation

Install updates from vendor's website.

External links