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CVE-2021-21334

Public on 2021-03-10
Modified on 2021-12-28
Description

A flaw was found in containerd CRI plugin. Containers launched through containerd CRI implementation that share the same image may receive incorrect environment variables, including values that are defined for other containers. The highest threat from this vulnerability is to data confidentiality.

Severity
Medium
See what this means
CVSS v3 Base Score
6.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 containerd 2021-07-19 17:29 ALAS-2021-1523
Amazon Linux 2 - Docker Extra containerd 2021-10-19 20:47 ALAS2DOCKER-2021-011
Amazon Linux 2 - Ecs Extra containerd 2023-10-18 22:01 ALAS2ECS-2023-014
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra containerd 2021-10-19 20:47 ALAS2NITRO-ENCLAVES-2021-011

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
NVD CVSSv3 6.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N