CVE-2019-16863

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

STMicroelectronics ST33TPHF2ESPI TPM devices before 2019-09-12 allow attackers to extract the ECDSA private key via a side-channel timing attack because ECDSA scalar multiplication is mishandled, aka TPM-FAIL.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-203 CWE-327

Affected software

No affected versions have been published.

Timeline

Published: Nov 14, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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