VulnerabilityModified
CVE-2020-8166
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.
MEDIUM 4.3EPSS 1.67%
Does this matter?
Lower severity and a low EPSS score (1.67%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- EPSS
- 1.67% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- rubyonrails/rails · debian/debian linux
- Source
- support@hackerone.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.