Vulnerability Details CVE-2021-3429
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.0%
CVSS Severity
CVSS v3 Score 5.5
References
Products affected by CVE-2021-3429
-
cpe:2.3:a:canonical:cloud-init:0.5.0
-
cpe:2.3:a:canonical:cloud-init:0.5.1
-
cpe:2.3:a:canonical:cloud-init:0.5.10
-
cpe:2.3:a:canonical:cloud-init:0.5.11
-
cpe:2.3:a:canonical:cloud-init:0.5.12
-
cpe:2.3:a:canonical:cloud-init:0.5.13
-
cpe:2.3:a:canonical:cloud-init:0.5.14
-
cpe:2.3:a:canonical:cloud-init:0.5.15
-
cpe:2.3:a:canonical:cloud-init:0.5.2
-
cpe:2.3:a:canonical:cloud-init:0.5.3
-
cpe:2.3:a:canonical:cloud-init:0.5.4
-
cpe:2.3:a:canonical:cloud-init:0.5.5
-
cpe:2.3:a:canonical:cloud-init:0.5.6
-
cpe:2.3:a:canonical:cloud-init:0.5.8
-
cpe:2.3:a:canonical:cloud-init:0.6.0
-
cpe:2.3:a:canonical:cloud-init:0.6.1
-
cpe:2.3:a:canonical:cloud-init:0.6.2
-
cpe:2.3:a:canonical:cloud-init:0.6.3
-
cpe:2.3:a:canonical:cloud-init:0.7.0
-
cpe:2.3:a:canonical:cloud-init:0.7.1
-
cpe:2.3:a:canonical:cloud-init:0.7.2
-
cpe:2.3:a:canonical:cloud-init:0.7.3
-
cpe:2.3:a:canonical:cloud-init:0.7.4
-
cpe:2.3:a:canonical:cloud-init:0.7.5
-
cpe:2.3:a:canonical:cloud-init:0.7.6
-
cpe:2.3:a:canonical:cloud-init:0.7.7
-
cpe:2.3:a:canonical:cloud-init:0.7.8
-
cpe:2.3:a:canonical:cloud-init:0.7.9
-
cpe:2.3:a:canonical:cloud-init:17.1
-
cpe:2.3:a:canonical:cloud-init:17.2
-
cpe:2.3:a:canonical:cloud-init:18.1
-
cpe:2.3:a:canonical:cloud-init:18.2
-
cpe:2.3:a:canonical:cloud-init:18.3
-
cpe:2.3:a:canonical:cloud-init:18.4
-
cpe:2.3:a:canonical:cloud-init:19.1
-
cpe:2.3:a:canonical:cloud-init:19.2
-
cpe:2.3:a:canonical:cloud-init:19.3
-
cpe:2.3:a:canonical:cloud-init:19.4