CVE-2021-32020

CRITICAL

Amazon Freertos < 10.4.3 - Memory Corruption

Title source: rule

Description

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

References (1)

Scores

CVSS v3 9.8
EPSS 0.0064
EPSS Percentile 70.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-119
Status published

Affected Products (1)

amazon/freertos < 10.4.3

Timeline

Published May 03, 2021
Tracked Since Feb 18, 2026