VulnerabilityModified
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.
MEDIUM 6.5EPSS 1.49%
Does this matter?
Lower severity and a low EPSS score (1.49%). Track it; it rarely justifies an emergency change on its own.
Description
A CSRF vulnerability exists in rails <= 6.0.3 rails-ujs module that could allow attackers to send CSRF tokens to wrong domains.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- EPSS
- 1.49% probability · 74th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- rubyonrails/rails · debian/debian linux
- Source
- support@hackerone.com
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.