Name: CVE-2025-23395: Privilege Dropping / Lowering Errors
Creator: Rapid7
Published: 2025-05-26T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-23395, CVSS 7.8, EPSS 0.00024

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 `root` 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

CVSS Details

CVSS 4.0 Base Score: 7.3 (HIGH)
CVSS 4.0 Vector: (CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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)
CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade screen	Aug 8, 2025	May 26, 2025
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	May 26, 2025
Freebsd	—	Upgrade screen	Dec 10, 2025	May 21, 2025
Gentoo Linux	—	Upgrade app-misc/screen.	Aug 26, 2026	Aug 26, 2026

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CVSS Details

Covered by Rapid7

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