CVE-2021-21285
moby docker daemon crash during image pull of malicious image
6.5
MEDIUM
CVSS 3.1
EPSS 0.35%
Description
In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing.
How to fix CVE-2021-21285
To remediate CVE-2021-21285, upgrade the affected package to a fixed version below.
- —upgrade to 20.10.3+dfsg1-1 or later
- —upgrade to 19.3.15 or later
Is CVE-2021-21285 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 20.10.3+dfsg1-1
- from 0, < 19.3.15
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |