CVE-2021-21335 MEDIUM

CVE-2021-21335: Basic Authentication can be bypassed using a malformed username

Vendor Stnoonan
Product spnego-http-auth-nginx-module
Weakness CWE-287 · Improper authentication
Published March 8, 2021
Last update August 3, 2024
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 8, 2021 CVE published
August 3, 2024 Record updated