CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable.
CVE
CVE-2021-42785
Severity
CRITICAL
CVSS
9.8
EPSS
2.27%
Original NVD Description
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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)