Riskcovery

CVE-2026-20152

Cisco Secure Web Appliance Authentication Service Traffic Bypass Vulnerability

State
Published
Severity
5.3 Medium
Published
Apr 15, 2026
Updated
Apr 16, 2026
Reserved
Oct 8, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Ncisco

Weaknesses

  • CWE-305 Authentication Bypass by Primary Weakness

Affected Products

ProductVersions
Cisco Secure Web ApplianceCisco
  • 11.8.0-453Affected
  • 12.5.3-002Affected
  • 12.0.3-007Affected
  • 12.0.3-005Affected
  • 14.1.0-032Affected
  • 14.1.0-047Affected
  • 14.1.0-041Affected
  • 12.0.4-002Affected
  • 14.0.2-012Affected
  • 11.8.0-414Affected
  • 12.0.1-268Affected
  • 11.8.1-023Affected
  • 11.8.3-021Affected
  • 11.8.3-018Affected
  • 12.5.1-011Affected
  • 11.8.4-004Affected
  • 12.5.2-007Affected
  • 12.5.2-011Affected
  • 14.5.0-498Affected
  • 12.5.4-005Affected
  • 12.5.4-011Affected
  • 12.0.5-011Affected
  • 14.0.3-014Affected
  • 12.5.5-004Affected
  • 12.5.5-005Affected
  • and 34 more versions

References

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