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 severity · published Jun 19, 2020

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

6.5

CVSS

1.5%

EPSS

On KEV

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

None

Integrity

High

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.5% · higher than 74% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

10.0 · source: NVD

Rails · Rubyonrails

before 5.2.4.3; 6.0.0 before 6.0.3.1 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-8167

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-8167

Mailing List

https://groups.google.com/g/rubyonrails-security/c/x9DixQDG9a0

Exploit

https://hackerone.com/reports/189878

Third Party Advisory

https://www.debian.org/security/2020/dsa-4766