Description
A 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.
Published: 2020-07-02
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-4766-1 rails security update
EUVD EUVD EUVD-2020-0429 A 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.
Github GHSA Github GHSA GHSA-jp5v-5gx4-jmj9 Ability to forge per-form CSRF tokens in Rails
History

Tue, 28 Apr 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Debian Debian Linux
Redhat Satellite Satellite Capsule
Rubyonrails Rails
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-04-28T15:45:49.012Z

Reserved: 2020-01-28T00:00:00.000Z

Link: CVE-2020-8166

cve-icon Vulnrichment

Updated: 2024-08-04T09:48:25.645Z

cve-icon NVD

Status : Modified

Published: 2020-07-02T19:15:12.513

Modified: 2026-04-28T16:16:05.280

Link: CVE-2020-8166

cve-icon Redhat

Severity : Low

Publid Date: 2020-05-18T00:00:00Z

Links: CVE-2020-8166 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses