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CVE-2020-8185A 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…
- 6.5MediumCVSS base score
- 2.2%Exploitation in 30 daysEPSS · top 17% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By hackerone
- 5 months later
· 5 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (14 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
https://github.com/rails/rails
- affected Fixed in 6.0.3.2
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsactionpackGHSA-c6qr-h5vq-59jc (opens in a new tab)
References
References3
- https://hackerone.com/reports/899069 (opens in a new tab)x_refsource_MISCx_transferred
- https://groups.google.com/g/rubyonrails-security/c/pAe9EV8gbM0 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2020-4dd34860a3 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-0479 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-c6qr-h5vq-59jc (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-8185)Record last updated .