CVE-2022-25227

Name: CVE-2022-25227
Creator: NVD / NIST
Published: 2022-05-20T12:15:10.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2022-25227 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Thinfinity VNC v4.0.0.1 contains a Cross-Origin Resource Sharing (CORS) vulnerability which can allow an unprivileged remote attacker, if they can trick a user into browse malicious site, to obtain an 'ID' that can be used to send websocket requests and achieve RCE.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

Thinfinity VNC v4.0.0.1 contains a Cross-Origin Resource Sharing (CORS) vulnerability which can allow an unprivileged remote attacker, if they can trick a user into browse malicious site, to obtain an 'ID' that can be used to send websocket requests and achieve RCE.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.62%

45.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-346

Affected Software

Vendor	Product	Versions
Cybelesoft	Thinfinity Vnc	4.0.0.1

References

https://fluidattacks.com/advisories/clapton/Exploit, Third Party Advisory
https://fluidattacks.com/advisories/clapton/Exploit, Third Party Advisory

Timeline

Published: May 20, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-25227?

How severe is CVE-2022-25227?

CVE-2022-25227 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2022-25227?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-25227?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST