PT-2021-14429 · Nginx · Spnego-Http-Auth-Nginx-Module

Flyguy.By + 1 · Published 2021-03-08 · Updated 2021-03-12 · CVE-2021-21335

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions spnego-http-auth-nginx-module versions prior to 1.1.1

Description The issue allows basic authentication to be bypassed using a malformed username. This affects users who have enabled basic authentication.

Recommendations For versions prior to 1.1.1, update to version 1.1.1 to resolve the issue. As a temporary workaround, consider disabling basic authentication until the update is applied.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2021-21335

GHSA-WW8Q-72RX-HC54

Affected Products

Spnego-Http-Auth-Nginx-Module

References · 5

• https://github.com/stnoonan/spnego-http-auth-nginx-module/security/advisories/GHSA-ww8q-72rx-hc54 · Patch
• https://github.com/stnoonan/spnego-http-auth-nginx-module/commit/a06f9efca373e25328b1c53639a48decd0854570 · Patch
• https://osv.dev/vulnerability/CVE-2021-21335 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21335 · Security Note
• https://github.com/stnoonan/spnego-http-auth-nginx-module/releases/tag/v1.1.1 · Note