#VU126393 Authentication Bypass by Primary Weakness in Cisco AsyncOS for Secure Web Appliance - CVE-2026-20152

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Main Vulnerability Database Vulnerabilities #VU126393

#VU126393 Authentication Bypass by Primary Weakness in Cisco AsyncOS for Secure Web Appliance - CVE-2026-20152

Published: April 17, 2026


Vulnerability identifier: #VU126393
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-20152
CWE-ID: CWE-305
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco AsyncOS for Secure Web Appliance
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper validation of user-supplied authentication input in HTTP requests. A remote attacker can bypass policy enforcement on the target device.


Remediation

Install updates from vendor's website.

External links