Code Injection vulnerability in CarrierWave::RMagick

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.13, the 96th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 8 Feb 2021. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-cf3w-g86h-35x4
• OSV: GHSA-cf3w-g86h-35x4
• github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-cf3w-g86h-35x4
• nvd.nist.gov/vuln/detail/CVE-2021-21305
• github.com/carrierwaveuploader/carrierwave/commit/387116f5c72efa42bc3938d946b4c8d2f22181b7
• github.com/carrierwaveuploader/carrierwave
• github.com/carrierwaveuploader/carrierwave/blob/master/CHANGELOG.md#132---2021-02-08
• github.com/carrierwaveuploader/carrierwave/blob/master/CHANGELOG.md#211---2021-02-08
• github.com/rubysec/ruby-advisory-db/blob/master/gems/carrierwave/CVE-2021-21305.yml
• rubygems.org/gems/carrierwave

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.