CVE-2021-43666

HIGH

mbed TLS <3.0.0 - DoS

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.5
EPSS 0.0071
EPSS Percentile 72.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-130
Status published
Products (2)
arm/mbed_tls < 3.0.0
debian/debian_linux 10.0
Published Mar 24, 2022
Tracked Since Feb 18, 2026