CVE-2023-5055

Name: CVE-2023-5055
Creator: NVD / NIST
Published: 2023-11-21T18:15:09.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-5055 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.

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

0.75%

50.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zephyrproject	Zephyr	<= 3.4.0

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wr8r-7f8x-24jjExploit, Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wr8r-7f8x-24jjExploit, Vendor Advisory

Timeline

Published: Nov 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5055?

Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.

How severe is CVE-2023-5055?

CVE-2023-5055 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5055?

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-2023-5055?

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

Scan your code now

Source: NVD / NIST