CVE-2024-23744
HIGHMbed TLS 3.4.0-3.5.1 - Denial of Service via TLS 1.3 ClientHello Without Extensions
Title source: llmDescription
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.
References (1)
Core 1
Core References
Exploit, Issue Tracking, Patch
https://github.com/Mbed-TLS/mbedtls/issues/8694
Scores
CVSS v3
7.5
EPSS
0.0005
EPSS Percentile
15.4%
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
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (1)
arm/mbed_tls
3.4.0 - 3.5.1
Published
Jan 21, 2024
Tracked Since
Feb 18, 2026