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 the server by sending keyboard or mouse events to the server.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.110 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.110 · newest: 0.110 · change: 0.000
Affected products
- Cybelsoft Thinvnc — versions 1.0
- Thinvnc — versions 1.0b1
Public proof-of-concept exploits
References
- fluidattacks.com/advisories/sinatra/ (Exploit, Third Party Advisory)
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.