CVE-2019-17662
ThinVNC 1.0b1 is vulnerable to arbitrary file read, which leads to a compromise of the VNC server...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-17662- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22, CWE-522
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-17662- Updated
- 2026-11-02
EUVDEUVD-2019-7967 No score
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.
- Record
EUVD-2019-7967- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-23gm-hjpg-qfp3
ThinVNC 1.0b1 is vulnerable to arbitrary file read, which leads to a compromise of the VNC server...
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.
- Record
GHSA-23gm-hjpg-qfp3- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | ThinVNC 1.0b1 - Authentication Bypass | 2019-10-17 |
| Metasploit | ThinVNC Directory Traversal | 2019-10-16 |
| Nuclei | ThinVNC 1.0b1 - Authentication Bypass | |
| PoC in GitHub | MuirlandOracle/CVE-2019-17662 | 2021-08-31 |
| PoC in GitHub | Tamagaft/CVE-2019-17662 | 2022-06-19 |
| PoC in GitHub | bl4ck574r/CVE-2019-17662 | 2022-09-13 |
| PoC in GitHub | kxisxr/Bash-Script-CVE-2019-17662 | 2021-10-01 |
| PoC in GitHub | rajendrakumaryadav/CVE-2019-17662-Exploit | 2021-10-18 |
| PoC in GitHub | thomas-osgood/CVE-2019-17662 | 2023-05-19 |
| PoC in GitHub | whokilleddb/CVE-2019-17662 | 2021-10-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-17662 is a critical vulnerability (CVSS 9.8) in Cybelsoft Thinvnc, published October 16, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 96.8%, the 99th percentile. No source names a fixed version.