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Case File

CVE-2019-20021

MEDIUM · CVSS 5.5 EPSS 1.08% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-12-27 · 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 ↗

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

CVE
CVE-2019-20021
Severity
MEDIUM
CVSS
5.5
EPSS
1.08%

Original NVD Description

A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.