CVE-2023-45199

Name: CVE-2023-45199
Creator: NVD / NIST
Published: 2023-10-07T01:15:10.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.05%

Last modified Jun 17, 2026

CVE-2023-45199 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.05%

59.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Trustedfirmware	Mbed Tls	>= 3.2.0, < 3.5.0

References

Timeline

Published: Oct 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-45199?

Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.

How severe is CVE-2023-45199?

CVE-2023-45199 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.

How do I fix CVE-2023-45199?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-45199?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST