CVE-2020-8166

Summary

CVECVE-2020-8166
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-07-02 19:15:00 UTC
Updated2020-11-20 17:47:00 UTC
DescriptionA CSRF forgery vulnerability exists in rails < 5.2.5, rails < 6.0.4 that makes it possible for an attacker to, given a global CSRF token such as the one present in the authenticity_token meta tag, forge a per-form CSRF token.

Risk And Classification

Problem Types: CWE-352

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 10.0 All All All
Application Rubyonrails Rails All All All All
Application Rubyonrails Rails All All All All

References

ReferenceSourceLinkTags
HackerOne MISC hackerone.com Exploit, Third Party Advisory
[CVE-2020-8166] Ability to forge per-form CSRF tokens given a global CSRF token MISC groups.google.com Mailing List, Patch, Third Party Advisory
Debian -- Security Information -- DSA-4766-1 rails DEBIAN www.debian.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 239228 Red Hat Update for Satellite 6.9 (RHSA-2021:1313)
  • 750577 OpenSUSE Security Update for rmt-server (openSUSE-SU-2020:2000-1)
  • 750580 OpenSUSE Security Update for rmt-server (openSUSE-SU-2020:1993-1)
  • 755602 SUSE Enterprise Linux Security Update for rubygem-actionpack-5_1 (SUSE-SU-2024:0103-1)
© 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