CVE-2020-25082: Nuvoton NPCT75X Firmware

Low severity, CVSS 3.8. EPSS: 0.2% chance of exploitation in the next 30 days.

An attacker with physical access to Nuvoton Trusted Platform Module (NPCT75x 7.2.x before 7.2.2.0) could extract an Elliptic Curve Cryptography (ECC) private key via a side-channel attack against ECDSA, because of an Observable Timing Discrepancy.

Affected products

• Nuvoton NPCT75X Firmware: from 7.2.0, before 7.2.2.0 (fixed in 7.2.2.0)

Published 2021-08-10. Last modified 2026-06-17.