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5.3 Medium

CVE-2026-20152 A vulnerability in the authentication service feature of Cisco AsyncOS Software for Cisco Secure Web Appliance could…

Description

A vulnerability in the authentication service feature of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass authentication policy requirements. This vulnerability is due to improper validation of user-supplied authentication input in HTTP requests. An attacker could exploit this vulnerability by sending HTTP requests that contain specific authentication requests to an affected device. A successful exploit could allow the attacker to bypass policy enforcement on the device. There is no direct impact to the Cisco Secure Web Appliance. However, as a result of exploiting this vulnerability, an attacker could send HTTP requests that should be restricted through the device.

Affected products and versions

Product Affected versions Fixed in
Cisco Secure Web Appliance 15.2 15.2.0-116 → 15.2.5-013 No fix stated
Cisco Secure Web Appliance 15.1.0-287 No fix stated
Cisco Secure Web Appliance 15.0 15.0.0-322 → 15.0.1-004 No fix stated
Cisco Secure Web Appliance 14.6.0-108 No fix stated
Cisco Secure Web Appliance 14.5 14.5.0-498 → 14.5.3-033 No fix stated
Cisco Secure Web Appliance 14.1 14.1.0-032 → 14.1.0-047 No fix stated
Cisco Secure Web Appliance 14.0 14.0.1-014 → 14.0.5-007 No fix stated
Cisco Secure Web Appliance 12.5 12.5.1-011 → 12.5.6-008 No fix stated
Cisco Secure Web Appliance 12.0 12.0.1-268 → 12.0.5-011 No fix stated
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Product Affected versions Fixed in
Cisco Secure Web Appliance 11.8 11.8.0-414 → 11.8.4-004 No fix stated

Other CVEs of Cisco Secure Web Appliance

The 15 CVEs of Cisco Secure Web Appliance →
CVE-2026-20056 A vulnerability in the Dynamic Vectoring and Streaming (DVS) Engine implementation of Cisco AsyncOS Software for Cisco… 4.0 Medium CVE-2025-20207 A vulnerability in Simple Network Management Protocol (SNMP) polling for Cisco Secure Email and Web Manager, Cisco… 4.3 Medium CVE-2025-20185 A vulnerability in the implementation of the remote access functionality of Cisco AsyncOS Software for Cisco Secure… 3.4 Low CVE-2025-20184 A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco… 6.5 Medium
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