CVE-2020-25082

LOW

Nuvoton NPCT75x Firmware 7.2.0-7.2.1 - ECC Private Key Extraction via ECDSA Timing Side-Channel

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1

Scores

CVSS v3 3.8
EPSS 0.0021
EPSS Percentile 10.7%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-203
Status published
Products (1)
nuvoton/npct75x_firmware 7.2.0 - 7.2.2.0
Published Aug 10, 2021
Tracked Since Feb 18, 2026