AUGUST 4, 2026
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Case File

CVE-2021-43666

HIGH · CVSS 7.5 EPSS 2.21% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-24 · 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-2021-43666
Severity
HIGH
CVSS
7.5
EPSS
2.21%

Original NVD Description

A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the mbedtls_pkcs12_derivation function when an input password's length is 0.