CVE-2021-3429: medium-severity vulnerability in Canonical Ltd. cloud-init
sensitive data exposure in cloud-init logs
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Canonical Ltd. · cloud-initRelated CVEs — Canonical Ltd. cloud-init
In the same product, most dangerous first.