CVE-2019-17662 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 96.8% (pctl 100)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 96.76% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-22 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-10-16 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| cybelsoft | thinvnc |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | ThinVNC 1.0b1 - Authentication Bypass | 2019-10-17 |
References
- http://packetstormsecurity.com/files/154896/ThinVNC-1.0b1-Authentication-Bypass.html
- https://github.com/bewest/thinvnc/issues/5
- https://github.com/shashankmangal2/Exploits/blob/master/ThinVNC-RemoteAccess/POC.py
- https://redteamzone.com/ThinVNC/
- http://packetstormsecurity.com/files/154896/ThinVNC-1.0b1-Authentication-Bypass.html
- https://github.com/bewest/thinvnc/issues/5
- https://github.com/shashankmangal2/Exploits/blob/master/ThinVNC-RemoteAccess/POC.py
- https://redteamzone.com/ThinVNC/
→ the Explorer · watch your stack · NVD