Is CVE-2022-25226 actively exploited?

No active exploitation of CVE-2022-25226 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-25226 be exploited remotely?

Yes. CVE-2022-25226 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-25226?

CVE-2022-25226 has a CVSS score of 10.0 (CRITICAL).

HOME VULNERABILITIESCVE-2022-25226

CRITICAL

CVE-2022-25226

NVD-CWE-OtherPublished: April 18, 2022· Updated: Jun 17, 2026

10.0

CVSS v3.1

Official Description

ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via 'http://thin-vnc:8080/cmd?cmd=connect' by obtaining a valid SID without any kind of authentication. It is possible to achieve code execution on the server by sending keyboard or mouse events to the server.

NVD Source

Technical Analysis

CVE-2022-25226 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 10.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.