Medium severity · published Jul 2, 2020
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…
4.3
CVSS
1.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
RA
Rails · Rubyonrails
before 5.2.4.3; 6.0.0 before 6.0.3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8166
Mailing List
https://groups.google.com/g/rubyonrails-security/c/NOjKiGeXUgw
Exploit
https://hackerone.com/reports/732415
Third Party Advisory
https://www.debian.org/security/2020/dsa-4766
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