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

Vendor	Product	Versions
n/a	n/a	n/a

References

http://tpm.failThird Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024Third Party Advisory
https://support.f5.com/csp/article/K32412503?utm_source=f5support&amp%3Butm_medium=RSS
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03972en_usThird Party Advisory
https://support.lenovo.com/us/en/product_security/LEN-29406Third Party Advisory
https://www.st.com/content/st_com/en/campaigns/tpm-update.htmlVendor Advisory
http://tpm.failThird Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024Third Party Advisory
https://support.f5.com/csp/article/K32412503?utm_source=f5support&amp%3Butm_medium=RSS
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03972en_usThird Party Advisory
https://support.lenovo.com/us/en/product_security/LEN-29406Third Party Advisory
https://www.st.com/content/st_com/en/campaigns/tpm-update.htmlVendor Advisory

Timeline

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

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