Vulnerability Details CVE-2021-42785
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 75.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Products affected by CVE-2021-42785
-
cpe:2.3:a:tightvnc:tightvnc:-
-
cpe:2.3:a:tightvnc:tightvnc:1.3.10
-
cpe:2.3:a:tightvnc:tightvnc:1.3.9
-
cpe:2.3:a:tightvnc:tightvnc:2.8.59