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Vulnerabilities

Vulnerability · CVE-2025-46803

The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

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

Check if you run it

No confirmed exploitation is on record for CVE-2025-46803. EPSS is 0.22%. 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
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Advisory link
Affected products
vendor suse

The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

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-2025-46803

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-2025-46803. EPSS is 0.22%. 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 0.22%. 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

    The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

  2. Oct 17, 2026 · Gentoo GLSA

    Detected

    CVE-2025-46803 is listed by GNU screen: Multiple Vulnerabilities (GLSA 202608-27) — Gentoo security.

Sources

  • CVE.orgVulnerability recordCVE-2025-46803

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-46803

    30-day exploitation probability 0.2%

    first.org
  • EUVDVulnerability recordEUVD-2025-28069

    The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

    euvd.enisa.europa.eu
  • Gentoo GLSAVendor advisoryCVE-2025-46803

    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.