CVE-2021-43666

2022-03-2400:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

33.8%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchmbedtls< anyUNKNOWN
ubuntu20.04noarchmbedtls< anyUNKNOWN
ubuntu22.04noarchmbedtls< anyUNKNOWN
ubuntu23.10noarchmbedtls< anyUNKNOWN
ubuntu24.04noarchmbedtls< anyUNKNOWN
ubuntu16.04noarchmbedtls< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	mbedtls	< any	UNKNOWN
ubuntu	20.04	noarch	mbedtls	< any	UNKNOWN
ubuntu	22.04	noarch	mbedtls	< any	UNKNOWN
ubuntu	23.10	noarch	mbedtls	< any	UNKNOWN
ubuntu	24.04	noarch	mbedtls	< any	UNKNOWN
ubuntu	16.04	noarch	mbedtls	< any	UNKNOWN