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CVE-2020-8166

nvd nist
Published: Jul 2, 2020Modified: Jun 17, 2026

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4.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Exploitability: 2.8 / Impact: 1.4
Source: NVD

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.

Affected (3)

Rubyonrails
1 product
Rails
Debian
1 product
Debian Linux
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Rubyonrails
Rails
Before 5.2.4.3
Rails
From 6.0.0 to 6.0.3.1
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 10.0

Related CWEs

CWE-352
Cross-Site Request Forgery (CSRF)
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

References (7)

Source: support@hackerone.com
Mailing ListPatchThird Party Advisory
Source: support@hackerone.com
ExploitThird Party Advisory
Source: support@hackerone.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
ExploitThird Party Advisory

Timeline

No history available yet.