VULNERABILITY INTELLIGENCE

CVE-2021-43666

CVSS score7.5 HIGH

EPSS probability2.07%

CISA KEVNot currently listed

Published2022-03-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

CWE-130: Improper Handling of Length Parameter Inconsistency

Primary references

cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
cve@mitre.org — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108