CVE-2021-32020

CRITICAL

Amazon Freertos < 10.4.3 - Memory Corruption

Title source: rule
STIX 2.1

Description

The kernel in Amazon Web Services FreeRTOS before 10.4.3 has insufficient bounds checking during management of heap memory.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0024
EPSS Percentile 46.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
amazon/freertos < 10.4.3
Published May 03, 2021
Tracked Since Feb 18, 2026