What’s Vulnerable › Vulnerabilities

CVE-2020-8185

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-02 · updated 2026-06-17
• Weakness: CWE-400

Description

A denial of service vulnerability exists in Rails <6.0.3.2 that allowed an untrusted user to run any pending migrations on a Rails app running in production.

Affected products

• Fedoraproject Fedora: 33
• Ruby on Rails: from 6.0.0 before 6.0.3.2 — fixed in 6.0.3.2

How to fix

Upgrade to a fixed version: Ruby on Rails 6.0.3.2. Check the vendor advisory for mitigations.

References

• https://groups.google.com/g/rubyonrails-security/c/pAe9EV8gbM0
• https://hackerone.com/reports/899069
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJ7NUWXAEVRQCROIIBV4C6WXO6IR3KSB/
• https://groups.google.com/g/rubyonrails-security/c/pAe9EV8gbM0
• https://hackerone.com/reports/899069
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJ7NUWXAEVRQCROIIBV4C6WXO6IR3KSB/

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