Vulnerability DatabaseCVE-2020-8163
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CVE-2020-8163
Published:July 02, 2020
Updated:May 17, 2026
The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.
Affected Packages
actionview (RUBY):
Affected version(s) >=4.1.0.beta1 <4.2.11.3
Fix Suggestion:
Update to version 4.2.11.3
Related Resources (7)
https://nvd.nist.gov/vuln/detail/CVE-2020-8163
https://groups.google.com/g/rubyonrails-security/c/hWuKcHyoKh0
https://lists.debian.org/debian-lts-announce/2020/07/msg00013.html
https://groups.google.com/forum/#!topic/rubyonrails-security/hWuKcHyoKh0
http://packetstormsecurity.com/files/158604/Ruby-On-Rails-5.0.1-Remote-Code-Execution.html
https://hackerone.com/reports/304805
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionview/CVE-2020-8163.yml
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Control of Generation of Code ('Code Injection')
CWE-94
EPSS
Base Score:
91.07