Vulnerabilities

Vulnerability · CVE-2025-23395

Screen 5.0.0 when it runs with setuid-root privileges does not drop privileges while operating on a user supplied path.

Published May 26, 2025 · catalog updated May 27, 2025 · Gentoo Linux

Check if you run it

No confirmed exploitation is on record for CVE-2025-23395. EPSS is 0.21%. Act only if a listed version of Gentoo Linux is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.21%
Remediation
Advisory link
Affected products
vendor suse

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 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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor suseversion unspecified

How to fix CVE-2025-23395

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-23395. EPSS is 0.21%. Act only if a listed version of Gentoo Linux is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 27, 2025 · EUVD

    Updated

    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 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

  2. Oct 17, 2026 · Gentoo GLSA

    Detected

    CVE-2025-23395 is listed by GNU screen: Multiple Vulnerabilities (GLSA 202608-27) — Gentoo security.

Sources

  • CVE.orgVulnerability recordCVE-2025-23395

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-23395

    30-day exploitation probability 0.2%

    first.org
  • EUVDVulnerability recordEUVD-2025-27711

    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 ownership, the invoking user's (real) group ownership and file mode 0644. All data wr

    euvd.enisa.europa.eu
  • Gentoo GLSAVendor advisoryCVE-2025-23395

    GNU screen: Multiple Vulnerabilities (GLSA 202608-27) — Gentoo security

    security.gentoo.org

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.