CVE-2019-17662

high-risk
Published 2019-10-16

ThinVNC 1.0b1 is vulnerable to arbitrary file read, which leads to a compromise of the VNC server. The vulnerability exists even when authentication is turned on during the deployment of the VNC server. The password for authentication is stored in cleartext in a file that can be read via a ../../ThinVnc.ini directory traversal attack vector.

Do I need to act?

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94.1% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
47519
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Cybelsoft

References (8)

Exploit http://packetstormsecurity.com/files/154896/ThinVNC-1.0b1-Authentication-Bypass....
Third Party Advisory https://github.com/bewest/thinvnc/issues/5
Broken Link https://github.com/shashankmangal2/Exploits/blob/master/ThinVNC-RemoteAccess/POC...
Exploit https://redteamzone.com/ThinVNC/
Exploit http://packetstormsecurity.com/files/154896/ThinVNC-1.0b1-Authentication-Bypass....
Third Party Advisory https://github.com/bewest/thinvnc/issues/5
Broken Link https://github.com/shashankmangal2/Exploits/blob/master/ThinVNC-RemoteAccess/POC...
Exploit https://redteamzone.com/ThinVNC/
64
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 5/34 · Minimal