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Case File

CVE-2020-9433

CRITICAL · CVSS 9.1 EPSS 0.84% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-02-27 · 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-2020-9433
Severity
CRITICAL
CVSS
9.1
EPSS
0.84%
OpenSSL

Original NVD Description

openssl_x509_check_email in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.