Distribution advisory
This page covers CVE-2025-46803 as tracked by BellSoft, for the package screen. The fix is available in version 5.0.1-r0; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.
CVSS metrics in full
The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
- Attack vector: Local — a local account, shell or session on the host is needed.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Privileges required: Low — an ordinary user account is enough.
- User interaction: Required — someone has to click, open or visit something.
- Scope: Unchanged — the damage stays inside the vulnerable component.
- Confidentiality impact: None.
- Integrity impact: High — total loss, or loss the attacker controls.
- Availability impact: None.
Weakness class
BELL-CVE-2025-46803 is classified as CWE-276: Incorrect Default Permissions. Files or resources are created with permissions that are broader than they need to be.
Affected software
BELL-CVE-2025-46803 is recorded against 1 package.
- screen (from 5.0.0-r0 up to 5.0.1-r0)
Timeline and source
Published on 14 May 2025 and last revised on 26 January 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
docs.bell-sw.com (Advisory)
Other advisories for this package
screen has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-276: Incorrect Default Permissions) in other software:
