// For flags

CVE-2020-8166

rubygem-actionpack: ability to forge per-form CSRF tokens given a global CSRF token

Severity Score

4.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se presenta una vulnerabilidad de falsificación CSRF en rails versiones anteriores a 5.2.5, rails versiones anteriores a 6.0.4 que hace posible para un atacante, dado un token CSRF global como el presente en la etiqueta meta de authenticity_token, forjar un token CSRF per-form

A flaw was found in rubygem-actionpack. Forgery of a per-form CSRF token is possible allowing for any action to take place for that session. The highest threat from this vulnerability is to data integrity.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-01-28 CVE Reserved
  • 2020-07-02 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • 2024-10-26 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-352: Cross-Site Request Forgery (CSRF)
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Rubyonrails
Search vendor "Rubyonrails"
 Rails
Search vendor "Rubyonrails" for product "Rails"
 < 5.2.4.3
Search vendor "Rubyonrails" for product "Rails" and version " < 5.2.4.3"
-
Affected
Rubyonrails
Search vendor "Rubyonrails"
 Rails
Search vendor "Rubyonrails" for product "Rails"
 >= 6.0.0 < 6.0.3.1
Search vendor "Rubyonrails" for product "Rails" and version " >= 6.0.0 < 6.0.3.1"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected