CVE-2025-27591
Medium
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.
SeverityMedium
CVSS6.8
Exploit probability—
ProductFacebook Below
PublishedMar 11, 2025
First seenMar 11, 2025
How to fix
Update
- facebook below0.9.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| facebook below | v < 0.9.0 | 0.9.0 |
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