CVE-2020-8166
MEDIUMrails < 5.2.5 and < 6.0.4 - Cross-Site Request Forgery via Per-Form Token Forgery
Title source: llmDescription
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.
References (3)
Core 3
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4766
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/732415
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://groups.google.com/g/rubyonrails-security/c/NOjKiGeXUgw
Scores
CVSS v3
4.3
EPSS
0.0044
EPSS Percentile
63.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-352
Status
published
Products (4)
None/https://github.com/rails/rails
Fixed in 5.2.4.3, 6.0.3.1
debian/debian_linux
10.0
rubygems/actionpack
5.0.0 - 5.2.4.3RubyGems
rubyonrails/rails
< 5.2.4.3
Published
Jul 02, 2020
Tracked Since
Feb 18, 2026