CVE-2021-3429
- Source
- https://cve.org/CVERecord?id=CVE-2021-3429
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3429.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-3429
- Downstream
- Related
- Published
- 2023-04-19T22:15:10.137Z
- Modified
- 2025-11-14T11:59:51.632215Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Git / github.com/canonical/cloud-init
Affected ranges
- Type
- GIT
- Repo
- https://github.com/canonical/cloud-init
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
0.*
0.5.0
0.5.1
0.5.10
0.5.11
0.5.12
0.5.13
0.5.14
0.5.15
0.5.16pre1
0.5.2
0.5.3
0.5.4
0.5.5
0.5.6
0.5.8
0.6.0
0.6.1
0.6.2
0.6.3
0.7.0
0.7.1
0.7.2
0.7.3
0.7.4
0.7.5
0.7.6
0.7.7
0.7.8
0.7.9
17.*
17.1
17.2
18.*
18.1
18.2
18.3
18.4
18.5
19.*
19.1
19.2
19.3
19.4
20.*
20.1
20.2
20.3
20.4
20.4.1
21.*
21.1