PT-2025-20831 · Cscreen+6 · Screen+6

Matthias Gerstner · Published 2025-01-01 · Updated 2026-01-26 · CVE-2025-46802

Positive Technologies (AI Summary)

CVSS v3.1

6.0

Medium

Base vector

AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions screen (affected versions not specified)

Description The issue allows any user on the system to connect to the screen session for a short time, as the PTY is set to mode 666.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

LPE

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

ALT-PU-2025-11864

BDU:2025-11403

CVE-2025-46802

OESA-2025-1579

OPENSUSE-SU-2025:15164-1

SUSE-SU-2025:02016-1

SUSE-SU-2025:02186-1

SUSE-SU-2025_02016-1

SUSE-SU-2025_02186-1

USN-7978-1

Affected Products

Alt Linux

Debian

Linuxmint

Red Os

Suse

Ubuntu

Screen

References · 40

• 🔥 https://openwall.com/lists/oss-security/2025/05/12/1 · Exploit
• https://osv.dev/vulnerability/ALPINE-CVE-2025-46802 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7978-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-46802 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-46804 · Security Note
• https://ubuntu.com/security/CVE-2025-46805 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-46802 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:02186-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2025-46802 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7978-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-46804 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-46805 · Security Note
• https://ubuntu.com/security/CVE-2023-24626 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-46802 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-11403 · Security Note