CVE-2021-21335CWE-287

Basic Authentication can be bypassed using a malformed username

Medium · published March 8, 2021

CVSS v3.1
5.3
EPSS
2%
Percentile
76.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.01660 · 76.5th percentile
Weakness
CWE-287 · Improper Authentication
Published
2021-03-08T20:20Z
EPSS history
Timeline
  • 08 MAR 20:20Z
    Basic Authentication can be bypassed using a malformed username
    cvelistv5