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Winvnc

winvnc

Vendor: Att • 4 CVEs

CVEs (4)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Att
1Winvnc
Apr 16, 2026
May 3, 2001
N/A· v4
N/A· v3
10.0 HIGH· v2
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.
1Att
1Winvnc
Apr 16, 2026
May 3, 2001
N/A· v4
N/A· v3
7.6 HIGH· v2
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.
1Att
1Winvnc
Apr 16, 2026
Jan 23, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
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.
1Att
1Winvnc
Apr 16, 2026
Jan 9, 2001
N/A· v4
N/A· v3
9.0 HIGH· v2
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 t...Show more
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.Show less