CVE-2021-3429

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

Description

Moderate: cloud-init security update

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:3081

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3429.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3429

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed20.4.1-2
debian debianbullseyefixed20.4.1-2
debian debianforkyfixed20.4.1-2
debian debiansidfixed20.4.1-2
debian debiantrixiefixed20.4.1-2
suse slesaffected
rockylinux rocky8fixed

References

Verify integrity in audit chain (admin only). AS-IS.