CSRF in Rubyonrails Rails
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Rubyonrails Rails
- Debian Linux — versions 10.0
- Http://github.com/rails/rails — versions Fixed in 5.2.4.3, 6.0.3.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/189878 (Exploit, Third Party Advisory)
- groups.google.com/g/rubyonrails-security/c/x9DixQDG9a0 (Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4766 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8167?
- CVE-2020-8167 is a medium-severity vulnerability in Rubyonrails Rails, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2020-06-19.
- How severe is CVE-2020-8167?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-8167 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.