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Case File

CVE-2021-46880

CRITICAL · CVSS 9.8 EPSS 0.57% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-04-15 · 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-2021-46880
Severity
CRITICAL
CVSS
9.8
EPSS
0.57%

Original NVD Description

x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes discarded.