CVE-2021-20264

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 6, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-20264: High severity, CVSS 7.8 | Vulnix