CVE-2025-46803

MEDIUM
2025-05-26 [email protected]
5.1
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
A
Scope
X

Lifecycle Timeline

3
Patch Released
Apr 06, 2026 - 08:30 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 18:43 vuln.today
CVE Published
May 26, 2025 - 15:15 nvd
MEDIUM 5.1

Tags

Privilege Escalation Redhat Suse

Description

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.

Analysis

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. Rated medium severity (CVSS 5.1), this vulnerability is low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Incorrect Default Permissions (CWE-276), which allows attackers to access resources due to overly permissive default settings. 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.

Affected Products

See vendor advisory for affected versions.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set restrictive default permissions, follow principle of least privilege, review defaults during deployment.

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

Vendor Status

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CVE-2025-46803 vulnerability details – vuln.today
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