VULNERABILITY INTELLIGENCE

CVE-2021-21335

CVSS score5.3 MEDIUM
EPSS probability1.66%
CISA KEVNot currently listed
Published2021-03-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

In the SPNEGO HTTP Authentication Module for nginx (spnego-http-auth-nginx-module) before version 1.1.1 basic Authentication can be bypassed using a malformed username. This affects users of spnego-http-auth-nginx-module that have enabled basic authentication. This is fixed in version 1.1.1 of spnego-http-auth-nginx-module. As a workaround, one may disable basic authentication.

Weakness classification

  • security-advisories@github.com: CWE-287

Primary references