CVE-2020-8167
MEDIUMCVSS 6.5/10EPSS 1.49%
Last modified
CVE-2020-8167 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A CSRF vulnerability exists in rails <= 6.0.3 rails-ujs module that could allow attackers to send CSRF tokens to wrong domains.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.
Description
A CSRF vulnerability exists in rails <= 6.0.3 rails-ujs module that could allow attackers to send CSRF tokens to wrong domains.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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/x9DixQDG9a0Mailing List, Patch, Third Party Advisory
- https://hackerone.com/reports/189878Exploit, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4766Third Party Advisory
- https://groups.google.com/g/rubyonrails-security/c/x9DixQDG9a0Mailing List, Patch, Third Party Advisory
- https://hackerone.com/reports/189878Exploit, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4766Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8167?
A CSRF vulnerability exists in rails <= 6.0.3 rails-ujs module that could allow attackers to send CSRF tokens to wrong domains.
How severe is CVE-2020-8167?
CVE-2020-8167 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8167?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-8167?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST