CVE-2021-21335

Summary

CVECVE-2021-21335
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-08 21:15:00 UTC
Updated2021-03-12 14:21:00 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: CWE-287

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Spnego Http Authentication Module Project Spnego Http Authentication Module All All All All
Application Spnego Http Authentication Module Project Spnego Http Authentication Module All All All All

References

ReferenceSourceLinkTags
Basic Authentication can be bypassed using a malformed username · Advisory · stnoonan/spnego-http-auth-nginx-module · GitHub CONFIRM github.com Patch, Third Party Advisory
Release Rollup of changes since v1.1 · stnoonan/spnego-http-auth-nginx-module · GitHub MISC github.com Third Party Advisory
Check basic auth result against != NGX_OK rather than == NGX_DECLINED · stnoonan/spnego-http-auth-nginx-module@a06f9ef · GitHub MISC github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report