CVE-2021-21284

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

1.07% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 64.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2021-02-02 17:55Z5 YR AGO

Last updated

2024-08-03 18:09Z2 YR AGO

Reserved

2020-12-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.8)

CNA CVSS vector

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

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
• CWE-732Incorrect Permission Assignment for Critical ResourceClass

Data version

5.1

Document digest

4d1a09697fb3517ac4f851b1ea70af81f6562a0ac803807ee6cccbc639e141b0

• docs.docker.comhttps://docs.docker.com/engine/release-notes/#20103x_refsource_MISC
• github.comhttps://github.com/moby/moby/releases/tag/v20.10.3x_refsource_MISC
• github.comhttps://github.com/moby/moby/releases/tag/v19.03.15x_refsource_MISC
• github.comhttps://github.com/moby/moby/security/advisories/GHSA-7452-xqpj-6rpcx_refsource_CONFIRM
• github.comhttps://github.com/moby/moby/commit/64bd4485b3a66a597c02c95f5776395e540b2c7cx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210226-0005/x_refsource_CONFIRM
• www.debian.orgDSA-4865https://www.debian.org/security/2021/dsa-4865vendor-advisoryx_refsource_DEBIAN
• security.gentoo.orgGLSA-202107-23https://security.gentoo.org/glsa/202107-23vendor-advisoryx_refsource_GENTOO