CVE-2025-27591

A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below

Medium · published March 11, 2025

CVSS v3.1
6.8
EPSS
0%
Percentile
29.9
In the wild
Unconfirmed
What it is

A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below. This could have allowed local unprivileged users to escalate to root privileges through symlink attacks that manipulate files such as /etc/shadow.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00372 · 29.9th percentile
Published
2025-03-11T18:29Z
EPSS history
Timeline
  • 11 MAR 18:29Z
    A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below
    cvelistv5