CVE-2025-23395
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
Screen 5.0.0 when it runs with setuid-root privileges does not drop privileges while operating on a user supplied path. This allows unprivileged users to create files in arbitrary locations with `root` ownership, the invoking user's (real) group ownership and file mode 0644. All data written to the Screen PTY will be logged into this file, allowing to escalate to root privileges
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-23395
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-23395.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202505-1
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 5.0.0-3 | |
| sles | affected | | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
Verify integrity in audit chain (admin only). AS-IS.