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Case File

CVE-2018-20020

CRITICAL · CVSS 9.8 EPSS 8.62% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-12-19 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-20020
Severity
CRITICAL
CVSS
9.8
EPSS
8.62%

Original NVD Description

LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution

Related CVEs

Other vulnerabilities affecting the same vendor(s)