CVE-2019-16863
5.9 · MEDIUMOverview
CVE-2019-16863 is a medium-severity vulnerability affecting st st33tphf2espi_firmware. It was published on November 14, 2019 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from st. Update st33tphf2espi_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2019-16863?
CVE-2019-16863 is a medium-severity vulnerability affecting st st33tphf2espi_firmware. It was published on November 14, 2019 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2019-16863?
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-16863?
Check the references section for vendor advisories and patches from st. Update st33tphf2espi_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-16863?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-16863 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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