AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2018-21247

HIGH · CVSS 7.5 EPSS 2.36% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-06-17 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗ github.com ↗

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

CVE
CVE-2018-21247
Severity
HIGH
CVSS
7.5
EPSS
2.36%

Original NVD Description

An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.