Vulnerability index

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Tightvnc CRITICAL 9.0
CVE-2023-27830

TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when e…

Fix: 2.8.75+
Fix from $2,300 2023-04-12
Tightvnc CRITICAL 9.8
CVE-2021-42785

Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted Framebuffe…

Fix: after 2.8.59
Fix from $2,300 2021-11-23
Tightvnc CRITICAL 9.8
CVE-2019-8287EPSS 19%

TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This atta…

Mitigation only
Fix from $2,300 2019-10-29
Tightvnc HIGH 7.5
CVE-2019-15680

TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to…

Mitigation only
Fix from $1,950 2019-10-29
Tightvnc CRITICAL 9.8
CVE-2019-15678EPSS 12%

TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack app…

Mitigation only
Fix from $2,300 2019-10-29
Tightvnc CRITICAL 9.8
CVE-2019-15679EPSS 12%

TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This att…

Mitigation only
Fix from $2,300 2019-10-29
Tightvnc HIGH 10.0
CVE-2009-0388EPSS 13%

Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap…

Patch available
Fix from $1,950 2009-02-04
Tightvnc HIGH 7.5
CVE-2002-1336

TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sni…

Mitigation only
Fix from $1,950 2002-12-11