CVE-2020-13598

Name: CVE-2020-13598
Creator: NVD / NIST
Published: 2021-05-25T17:15:07.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2020-13598 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat. Zephyr versions >= v1.14.2, >= v2.3.0 contain Stack-based Buffer Overflow (CWE-121). EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat. Zephyr versions >= v1.14.2, >= v2.3.0 contain Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7fhv-rgxr-x56h

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.24%

15.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zephyrproject	Zephyr	<= 1.14.2
Zephyrproject	Zephyr	>= 2.0.0, <= 2.3.0

References

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7fhv-rgxr-x56hThird Party Advisory
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7fhv-rgxr-x56hThird Party Advisory

Timeline

Published: May 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13598?

How severe is CVE-2020-13598?

CVE-2020-13598 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13598?

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-2020-13598?

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

Scan your code now

Source: NVD / NIST