CVE-2023-6249

Name: CVE-2023-6249
Creator: NVD / NIST
Published: 2024-02-18T08:15:07.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2023-6249 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Signed to unsigned conversion esp32_ipm_send. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

Signed to unsigned conversion esp32_ipm_send

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

0.44%

35.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zephyrproject	Zephyr	< 3.5.0
Zephyrproject	Zephyr	3.5.0

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-32f5-3p9h-2rqcExploit, Patch, Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-32f5-3p9h-2rqcExploit, Patch, Vendor Advisory

Timeline

Published: Feb 18, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-6249?

Signed to unsigned conversion esp32_ipm_send

How severe is CVE-2023-6249?

CVE-2023-6249 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6249?

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-2023-6249?

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

Scan your code now

Source: NVD / NIST