The log_event function in ssmtp 2.50.6 and earlier allows local users to overwrite arbitrary files via a symlink attack on the ssmtp.log temporary log file.
http://marc.info/?l=bugtraq&m=108239608131119&w=2
Source: Mitre, NVD
Published: 2004-07-07
Updated: 2025-04-03
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Severity: Medium
EPSS: 0.00078