CVE-2024-30166 - Vulnerability Details - OpenCVE

Description

In Mbed TLS 3.3.0 through 3.5.2 before 3.6.0, a malicious client can cause information disclosure or a denial of service because of a stack buffer over-read (of less than 256 bytes) in a TLS 1.3 server via a TLS 3.1 ClientHello.

Published: 2024-04-03

Score: 9.1 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0073.

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.6.0
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/

History

Fri, 05 Jun 2026 19:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Trustedfirmware Trustedfirmware mbed Tls
CPEs		cpe:2.3:a:trustedfirmware:mbed_tls::::::::
Vendors & Products		Trustedfirmware Trustedfirmware mbed Tls

Subscriptions

Arm Mbed Tls

Trustedfirmware Mbed Tls

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-04-03T00:00:00.000Z

Updated: 2024-08-02T01:25:03.067Z

Reserved: 2024-03-24T00:00:00.000Z

Link: CVE-2024-30166

Vulnrichment

Updated: 2024-08-01T14:13:30.410Z

NVD

Status : Analyzed

Published: 2024-04-03T03:15:10.510

Modified: 2026-06-17T07:26:24.430

Link: CVE-2024-30166

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-121
Stack-based Buffer Overflow

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