CVE-2021-43619

PoC —

CVSS 3.1

7.8 high

EPSS

<1%p36

Published

Mar 1, 2022 (Mar 1, 2022)

Modified

Jun 17, 2026

Description

Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations.

Vendors: trustedfirmware
Products: trusted firmware-m
Weakness: CWE-120
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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