CVE-2021-21288
Server-side request forgery in CarrierWave
4.3
MEDIUM
CVSS 3.1
EPSS 1.2%
Description
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.
How to fix CVE-2021-21288
To remediate CVE-2021-21288, upgrade the affected package to a fixed version below.
- —upgrade to 1.3.2-1 or later
- —upgrade to 1.3.2 or later
Is CVE-2021-21288 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.3.2-1
- from 0, < 1.3.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |