6.8

CVE-2025-27591: facebook below

CVSS: 6.8v3.1MediumAnalyzed
AliasesopenSUSE-SU-2026:10194-1GHSA-9mc5-7qhg-fp3wRUSTSEC-2025-0149
Published 11-03-2025Last modified 21-03-2025
Open JSON

Vulnerability summary

CVE-2025-27591 is a medium (CVSS 6.8) vulnerability in facebook below. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.37%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 11-03-2025
    PublishedVulnerability first disclosed.
  2. 21-03-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 2 versions

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

+0.01 pp

From 0.36% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (openwall.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Crates.Io1 product
  • below< 0.9.0 | ≥ 0.0.0-0, < 0.9.0
Facebook1 product
Meta platforms, inc1 product
Opensuse1 product
  • cargo-audit-advisory-db&distro=openSUSE Tumbleweed< 20260213-1.1

4 vendors · 4 products

References

11 links
Show all 11 references