CVE-2025-23395
HIGHDescription
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
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 10% of all known CVEs.
References
Related Vulnerabilities
Other CWE-271 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-0985 | High | 8.0 | 1.8% | - | Fix |
| CVE-2019-11243 | High | 8.1 | 1.5% | - | - |
| CVE-2020-35513 | Medium | 4.9 | 1.3% | - | Fix |
| CVE-2022-3569 | High | 7.8 | 0.7% | - | - |
| CVE-2024-35179 | Medium | 6.8 | 0.6% | - | - |
| CVE-2026-44477 | Critical | 9.9 | 0.5% | - | Fix |
Common questions
How do I fix CVE-2025-23395?
No published fix for CVE-2025-23395 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2025-23395 being actively exploited?
Not that we know of. CVE-2025-23395 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.20% is the estimated probability that it will be exploited in the next 30 days. That is higher than 10% of all scored CVEs.
How severe is CVE-2025-23395?
CVE-2025-23395 has a CVSS v3 base score of 7.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-28.