CVE-2021-22171

Summary

CVECVE-2021-22171
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-01-15 16:15:00 UTC
Updated2021-01-22 16:04:00 UTC
DescriptionInsufficient validation of authentication parameters in GitLab Pages for GitLab 11.5+ allows an attacker to steal a victim's API token if they click on a maliciously crafted link

Risk And Classification

Problem Types: CWE-287

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gitlab Gitlab All All All All
Application Gitlab Gitlab All All All All
Application Gitlab Gitlab All All All All
Application Gitlab Gitlab All All All All

References

ReferenceSourceLinkTags
2021/CVE-2021-22171.json · master · GitLab.org / cves · GitLab CONFIRM gitlab.com Vendor Advisory
HackerOne MISC hackerone.com Permissions Required, Third Party Advisory
[Gitlab Pages Auth Bypass] Able to steal a user's Authentication Code For Gitlab Pages (#262) · Issues · GitLab.org / gitlab-pages · GitLab MISC gitlab.com Broken Link
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Thanks [@ngalog](https://hackerone.com/ngalog) for reporting this vulnerability through our HackerOne bug bounty program

Legacy QID Mappings

  • 375379 GitLab Multiple Security Vulnerabilities(gitlab-13-7-2)
© 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.

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