CVE-2022-25226 — CRITICAL (10.0)

Vulnerability 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.

CVSS Score

10.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cybelsoft	Thinvnc	1.0

References

https://fluidattacks.com/advisories/sinatra/ExploitThird Party Advisory
https://fluidattacks.com/advisories/sinatra/ExploitThird Party Advisory

FAQ

What is CVE-2022-25226?

CVE-2022-25226 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 ...

How severe is CVE-2022-25226?

CVE-2022-25226 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-25226?

Check the references section above for vendor advisories and patch information. Affected products include: Cybelsoft Thinvnc.