VDB

CVE-2025-27591

CVE-2025-27591 PUBLISHED CVSS 7.800000190734863 HIGH

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.

EPSS 0.37% · 28.9th percentile

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.37%
28.9th percentile

Affected Products

VendorProductVersions
Meta Platforms, Incbelow0.0.0
facebookbelow0
crates.iobelow0

Timeline

  • Mar 11, 2025 CVE Published
  • Mar 11, 2025 Coalition ESS Score
  • Mar 12, 2025 EPSS Score
  • Mar 12, 2025 PoC Published
  • Mar 12, 2025 PoC Published
  • Mar 21, 2025 Coalition ESS Score
  • Mar 26, 2025 EPSS Score
  • Apr 9, 2025 EPSS Score
  • Apr 23, 2025 EPSS Score
  • May 7, 2025 EPSS Score
  • May 22, 2025 EPSS Score
  • Jun 5, 2025 EPSS Score
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