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CVE-2022-25226

CRITICALCVSS 10/10EPSS 10.87%

Last modified

CVE-2022-25226 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. EPSS estimates a 10.87% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
10/10

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

EPSS Probability
10.87%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
CybelsoftThinvnc1.0B1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2022-25226?
CVE-2022-25226 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 10.87% probability of exploitation in the next 30 days.
How do I fix CVE-2022-25226?
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-2022-25226?

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

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Source: NVD / NIST