Buffer overflow in AT&T WinVNC (Virtual Network Computing) client 3.3.3r7 and earlier allows remote attackers to execute arbitrary commands via a long rfbConnFailed packet with a long reason string.
CVSS Score
7.6
EPSS Score
0.654
Published
2001-05-03
Buffer overflow in AT&T WinVNC (Virtual Network Computing) server 3.3.3r7 and earlier allows remote attackers to execute arbitrary commands via a long HTTP GET request when the DebugLevel registry key is greater than 0.
CVSS Score
10.0
EPSS Score
0.674
Published
2001-05-03
WinVNC 3.3.3 and earlier generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.
CVSS Score
7.5
EPSS Score
0.014
Published
2001-01-23
WinVNC installs the WinVNC3 registry key with permissions that give Special Access (read and modify) to the Everybody group, which allows users to read and modify sensitive information such as passwords and gain access to the system.
CVSS Score
9.0
EPSS Score
0.003
Published
2001-01-09