CVE-2021-3429CWE-532

sensitive data exposure in cloud-init logs

Medium · published April 19, 2023

CVSS v3.1
5.5
EPSS
0%
Percentile
11.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00219 · 11.7th percentile
Weakness
CWE-532 · Insertion of Sensitive Information into Log File
Published
2023-04-19T21:42Z
EPSS history
Timeline
  • 19 APR 21:42Z
    sensitive data exposure in cloud-init logs
    cvelistv5