High severity · published Jan 21, 2024
CVE-2024-23744
An issue was discovered in Mbed TLS 3.5.1
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
Mbed Tls · Trustedfirmware
after 3.4.0 through 3.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23744
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23744
Exploit
https://github.com/Mbed-TLS/mbedtls/issues/8694
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