CVE-2025-46802

Temporary chown() of users' TTY to mode 0666 allows PTY hijacking in screen

Medium · published May 26, 2025

CVSS v4.0
5.3
EPSS
0%
Percentile
13.7
In the wild
Unconfirmed
What it is

For a short time they PTY is set to mode 666, allowing any user on the system to connect to the screen session.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00235 · 13.7th percentile
Published
2025-05-26T15:10Z
EPSS history
Timeline
  • 26 MAY 15:10Z
    Temporary chown() of users' TTY to mode 0666 allows PTY hijacking in screen
    cvelistv5