VULNERABILITY INTELLIGENCE

CVE-2021-20264

CVSS score7.8 HIGH
EPSS probability0.27%
CISA KEVNot currently listed
Published2021-10-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-266
  • nvd@nist.gov: CWE-732

Primary references