CVE-2021-21305

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

12.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 95.9% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-02-08 19:20Z5 YR AGO

Last updated

2024-08-03 18:09Z2 YR AGO

Reserved

2020-12-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.1

Document digest

c5eb03f6080056e44238f63dc92190a44925c58b5c219ca6ed761a70ec36e2af

• github.comhttps://github.com/carrierwaveuploader/carrierwave/blob/master/CHANGELOG.md#132---2021-02-08x_refsource_MISC
• github.comhttps://github.com/carrierwaveuploader/carrierwave/blob/master/CHANGELOG.md#211---2021-02-08x_refsource_MISC
• github.comhttps://github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-cf3w-g86h-35x4x_refsource_CONFIRM
• rubygems.orghttps://rubygems.org/gems/carrierwavex_refsource_MISC
• github.comhttps://github.com/carrierwaveuploader/carrierwave/commit/387116f5c72efa42bc3938d946b4c8d2f22181b7x_refsource_MISC