CVEvulnerability
CVE-2025-27591
6.8 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-03-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.8 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
- Weaknesses
- CWE-732
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.
Affected configurations
• facebook below (< 0.9.0)
Related
Weakness · CWE (1)
- CWE-732 Incorrect Permission Assignment for Critical Resource weakness
References
- https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3 Patch
- https://www.facebook.com/security/advisories/cve-2025-27591 Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2025/03/12/1 Exploit, Mailing List