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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 3.9 | 5.9 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-22,CWE-522,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| cybelsoft | thinvnc | 1.0 |
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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 10.0 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H | 3.9 | 6.0 |
CVSS 2.0
Severity: HIGH
Problem Type: NVD-CWE-Other,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| cybelsoft | thinvnc | 1.0 |