VULNERABILITY INTELLIGENCE

CVE-2019-16863

CVSS score5.9 MEDIUM
EPSS probability3.41%
CISA KEVNot currently listed
Published2019-11-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-203

Primary references