CVE-2025-46802 – PuTTY Screen Session Privilege Escalation Vulnerability

The following table lists the changes that have been made to the
CVE-2025-46802 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 26, 2025

    Action Type Old Value New Value
    Added Description For a short time they PTY is set to mode 666, allowing any user on the system to connect to the screen session.
    Added CVSS V4.0 AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/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
    Added CVSS V3.1 AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
    Added Reference https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46802
    Added Reference https://www.openwall.com/lists/oss-security/2025/05/12/1
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