Vulnerability in Cybelsoft Thinvnc

CVE-2022-25226

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 t…

EPSS: 0.110 (95.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-25226?
CVE-2022-25226 is a critical-severity vulnerability in Cybelsoft Thinvnc. CVSS score: 10.0/10. Published 2022-04-18.
How severe is CVE-2022-25226?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2022-25226 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.