vulnerability
CentOS Linux: CVE-2021-3429: Moderate: cloud-init security update (CESA-2021:3081)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:C/I:N/A:N) | Aug 10, 2021 | Aug 12, 2021 | Jan 28, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
Aug 10, 2021
Added
Aug 12, 2021
Modified
Jan 28, 2025
Description
When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.
Solution
centos-upgrade-cloud-init
References
Rapid7 Labs
2026 Global Threat Landscape Report
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