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vnc vulnerabilities and exploits
(subscribe to this query)
NA
CVE-2002-1511
The vncserver wrapper for vnc prior to 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.
Tightvnc Tightvnc 1.2.0
Tightvnc Tightvnc 1.2.1
Tightvnc Tightvnc 1.2.2
Tightvnc Tightvnc 1.2.3
Tightvnc Tightvnc 1.2.4
Att Vnc 3.3.4
Att Vnc 3.3.6
Att Vnc 3.3.3
Att Vnc 3.3.3r2
Att Vnc 3.3.5
Tightvnc Tightvnc 1.2.5
NA
CVE-2007-0756
Chicken of the VNC (cotv) 2.0 allows remote malicious users to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.
Chicken Of The Vnc Chicken Of The Vnc 2.0
1 EDB exploit
NA
CVE-2006-2369
RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco CallManager, allows remote malicious users to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if...
Vnc Realvnc 4.1.1
4 EDB exploits
2 Nmap scripts
2 Github repositories
NA
CVE-2004-1750
RealVNC 4.0 and previous versions allows remote malicious users to cause a denial of service (crash) via a large number of connections to port 5900.
Vnc Realvnc 4.0
6.5
CVSSv3
CVE-2021-41380
RealVNC Viewer 6.21.406 allows remote VNC servers to cause a denial of service (application crash) via crafted RFB protocol data. NOTE: It is asserted that this issue requires social engineering a user into connecting to a fake VNC Server. The VNC Viewer application they are usin...
Realvnc Vnc Viewer 6.21.406
NA
CVE-2007-2526
Heap-based buffer overflow in the ConnectAsyncEx function in VNC Viewer ActiveX control (scvncctrl.dll) in the SmartCode VNC Manager 3.6 allows remote malicious users to execute arbitrary code via a long argument.
Smartcode Vnc Manager 3.6
1 EDB exploit
9.8
CVSSv3
CVE-2017-1000044
gtk-vnc 0.4.2 and older doesn't check framebuffer boundaries correctly when updating framebuffer which may lead to memory corruption when rendering
Gnome Gtk-vnc 0.4.2
8.8
CVSSv3
CVE-2022-25227
Thinfinity VNC v4.0.0.1 contains a Cross-Origin Resource Sharing (CORS) vulnerability which can allow an unprivileged remote attacker, if they can trick a user into browse malicious site, to obtain an 'ID' that can be used to send websocket requests and achieve RCE.
Cybelesoft Thinfinity Vnc 4.0.0.1
7.8
CVSSv3
CVE-2022-41975
RealVNC VNC Server prior to 6.11.0 and VNC Viewer prior to 6.22.826 on Windows allow local privilege escalation via MSI installer Repair mode.
Realvnc Vnc Server
Realvnc Vnc Viewer
9.8
CVSSv3
CVE-2022-36436
OSU Open Source Lab VNCAuthProxy up to and including 1.1.1 is affected by an vncap/vnc/protocol.py VNCServerAuthenticator authentication-bypass vulnerability that could allow a malicious actor to gain unauthorized access to a VNC session or to disconnect a legitimate user from a ...
Osuosl Twisted Vnc Authentication Proxy
1 Github repository
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-7028
memory leak
log injection
CVE-2024-3400
CVE-2022-48695
CVE-2022-48675
CVE-2024-34487
CVE-2024-33792
spoof
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