SSRF in Carrierwave Project
CVE-2021-21288
CarrierWave is an open-source RubyGem which provides a simple and flexible way to upload files from Ruby applications. In CarrierWave before versions 1.3.2 and 2.1.1 the download feature has an SSRF vulnerability, allowing attacks to provide DNS entries or IP addresses that are intended for internal use and gather information about the Intranet infrastructure of the platform. This is fixed in versions 1.3.2 and 2.1.1.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.012 (66.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Carrierwave Project
- Carrierwaveuploader Carrierwave — versions < 1.3.2, >= 2.0.0, < 2.1.1
Weakness classification (CWE)
References
- github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-fwcm-636p-6… (Third Party Advisory)
- rubygems.org/gems/carrierwave/ (Product, Third Party Advisory)
- github.com/carrierwaveuploader/carrierwave/commit/012702eb3ba1663452aa025831caa… (Patch, Third Party Advisory)
- github.com/carrierwaveuploader/carrierwave/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
- github.com/carrierwaveuploader/carrierwave/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2021-21288?
- CVE-2021-21288 is a medium-severity vulnerability in Carrierwave Project, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2021-02-08.
- How severe is CVE-2021-21288?
- Medium severity. CVSS v3 base score is 4.3 out of 10.