CVE-2026-120200

medium

Description

Nexterm through 1.2.2-BETA contains a missing authorization vulnerability that allows authenticated users to hibernate, resume, or terminate other users' remote sessions via session lifecycle routes. Attackers who obtain a session ID can call the hibernate, resume, or DELETE connection endpoints to disrupt live SSH, RDP, VNC, or SFTP sessions.

References

https://www.vulncheck.com/advisories/nexterm-through-1.2.2-beta-missing-authorization-in-server-session-lifecycle-routes

https://github.com/gnmyt/Nexterm/pull/1950

https://github.com/gnmyt/Nexterm/issues/1944

https://github.com/gnmyt/Nexterm/commit/00fdb03eea35adb3dee8169469e897b3c8f30657

https://github.com/gnmyt/Nexterm/blob/v1.2.2-BETA/server/routes/serverSession.js#L87

https://github.com/gnmyt/Nexterm

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-114721

Details

Source: Mitre, NVD

Published: 2026-10-31

Updated: 2026-10-31

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium