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.
Published: 2022-03-24
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3249-1 mbedtls security update
Debian DLA Debian DLA DLA-4236-1 mbedtls security update
EUVD EUVD EUVD-2021-30578 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.
History

Tue, 02 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-130
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00179}

epss

{'score': 0.00111}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-12-02T20:51:13.720Z

Reserved: 2021-11-15T00:00:00.000Z

Link: CVE-2021-43666

cve-icon Vulnrichment

Updated: 2025-11-03T19:26:30.089Z

cve-icon NVD

Status : Modified

Published: 2022-03-24T18:15:08.333

Modified: 2025-12-02T21:15:49.503

Link: CVE-2021-43666

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses