Vulnerability Database

313,825

Total vulnerabilities in the database

CVE-2021-43666

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.

  • Published: Mar 24, 2022
  • Updated: Nov 4, 2025
  • CVE: CVE-2021-43666
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
arm / mbed_tls - 3.0.0.x
debian / debian_linux 10.0 10.0.x