CVE-2020-8166
Last modified
CVE-2020-8166 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 1.67% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rubyonrails | Rails | < 5.2.4.3 |
| Rubyonrails | Rails | >= 6.0.0, < 6.0.3.1 |
| Debian | Debian Linux | 10.0 |
References
- https://groups.google.com/g/rubyonrails-security/c/NOjKiGeXUgwMailing List, Patch, Third Party Advisory
- https://hackerone.com/reports/732415Exploit, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4766Third Party Advisory
- https://groups.google.com/g/rubyonrails-security/c/NOjKiGeXUgwMailing List, Patch, Third Party Advisory
- https://hackerone.com/reports/732415Exploit, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4766Third Party Advisory
- https://hackerone.com/reports/732415Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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