VDB
CVE-2025-27591
CVE-2025-27591
PUBLISHED
CVSS 6.800000190734863 MEDIUM
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 0.36% · 28.9th percentile
Risk Scores
CVSS 3.1
6.800000190734863
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
EPSS Score
0.36%
28.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Meta Platforms, Inc | below | 0.0.0 |
| below | 0 | |
| crates.io | below | 0 |
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 8, 2025 EPSS Score
- Apr 22, 2025 EPSS Score
- May 5, 2025 EPSS Score
- May 19, 2025 EPSS Score
- Jun 2, 2025 EPSS Score
References
- https://www.facebook.com/security/advisories/cve-2025-27591 url
- https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3 url
- http://www.openwall.com/lists/oss-security/2025/03/12/1 url
- https://github.com/facebookincubator/below/security/advisories/GHSA-9mc5-7qhg-fp3w url
- https://nvd.nist.gov/vuln/detail/CVE-2025-27591 advisory
- https://github.com/facebookincubator/below/commit/10e73a21d67baa2cd613ee92ce999cda145e1a83 url
- https://github.com/facebookincubator/below package
- https://rustsec.org/advisories/RUSTSEC-2025-0149.html url
- https://www.openwall.com/lists/oss-security/2025/03/12/1 url