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CVE-2020-13598

FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat

HIGH
7.8
CVSS Score
Published: May 24, 2021 at 09:40 PM UTC
Updated: June 17, 2026 at 02:53 AM UTC
2 products affected across 2 vendorsZephyrZephyr

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Zephyr· Zephyrproject
95%
v ≤ 1.14.22.0.0 ≤ v ≤ 2.3.0
Zephyr· Zephyrproject RTOS
60%
v ≥ v1.14.2v ≥ v2.3.01.14.22.3.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory
Source: [email protected]
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7fhv-rgxr-x56h

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-121CWE-787

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