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Vulnerability record · CVE-2021-3162 · published 15 January 2021

CVE-2021-3162: Docker improper certificate validation vulnerability

Docker · Docker

Docker Desktop Community before 2.5.0.0 on macOS mishandles certificate checking, leading to local privilege escalation.

7.8 CVSS 3.1 High EPSS 0.17% · top 93.9% CWE-295 · Improper certificate validation
7.8CVSS 3.1 base score, v2 4.6
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Docker Desktop Community before 2.5.0.0 on macOS mishandles certificate checking, leading to local privilege escalation.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.docker.com/docker-for-mac/release-notes/#docker-desktop-community-2500 Vendor Advisory
https://twitter.com/_r3ggi Third Party Advisory
https://docs.docker.com/docker-for-mac/release-notes/#docker-desktop-community-2500 Vendor Advisory
https://twitter.com/_r3ggi Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-3162), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.