Microsoft Windows SMB Registry : WinVNC's Key Permissions

High Nessus Plugin ID 10553


Local users can connect to the system remotely.


The registry key HKLM\Software\ORL\WinVNC3 is writeable and/or readable by users who are not in the admin group.

This key contains the VNC password of this host, as well as other configuration setup.

As this program allows remote access to this computer with the privileges of the currently logged on users, you should fix this problem.


Use regedt32 and set the permissions of this key to :

- admin group : Full Control
- system : Full Control
- everyone : No access

Plugin Details

Severity: High

ID: 10553

File Name: smb_reg_winvnc_perms.nasl

Version: $Revision: 1.32 $

Type: local

Agent: windows

Family: Windows

Published: 2000/11/20

Modified: 2015/01/12

Dependencies: 10394, 10400, 10150

Risk Information

Risk Factor: High


Base Score: 9

Temporal Score: 7.6

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Temporal Vector: CVSS2#E:U/RL:U/RC:ND

Vulnerability Information

Required KB Items: SMB/transport, SMB/name, SMB/login, SMB/password, SMB/registry_access

Exploit Available: false

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2000/11/18

Reference Information

CVE: CVE-2000-1164

BID: 1961

OSVDB: 452