CVE-2024-23744 - Vulnerability Details - OpenCVE

An issue was discovered in Mbed TLS 3.5.1. There is persistent handshake denial if a client sends a TLS 1.3 ClientHello without extensions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Arm	Mbed Tls

Configuration 1 [-]

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/Mbed-TLS/mbedtls/issues/8694

History

Wed, 04 Jun 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 12 Sep 2024 20:00:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-400

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-01-21T00:00:00.000Z

Updated: 2025-06-04T15:25:55.458Z

Reserved: 2024-01-21T00:00:00.000Z

Link: CVE-2024-23744

Vulnrichment

Updated: 2024-08-01T23:13:07.363Z

NVD

Status : Modified

Published: 2024-01-21T23:15:44.833

Modified: 2025-06-04T16:15:32.440

Link: CVE-2024-23744

Redhat

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "matchCriteriaId": "F77B65FC-D81F-4AB6-A4EA-2E48AD58FFEA", "versionEndIncluding": "3.5.1", "versionStartExcluding": "3.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Mbed TLS 3.5.1. There is persistent handshake denial if a client sends a TLS 1.3 ClientHello without extensions."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Mbed TLS 3.5.1. Hay una denegaci\u00f3n persistente del protocolo de enlace si un cliente env\u00eda un ClientHello TLS 1.3 sin extensiones."}], "id": "CVE-2024-23744", "lastModified": "2025-06-04T16:15:32.440", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-01-21T23:15:44.833", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/Mbed-TLS/mbedtls/issues/8694"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/Mbed-TLS/mbedtls/issues/8694"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}