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CVE-2020-25082

nvd nist
Published: Aug 10, 2021Modified: Jun 17, 2026

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3.8
Vector
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Exploitability: 0.2 / Impact: 3.6
Source: NVD

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.

Affected (1)

Nuvoton
1 product
Npct75x Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Npct75x Firmware
From 7.2.0 to 7.2.2.0
Running on/withPlatform Versions
Nuvoton
Npct75x
All versions

Related CWEs

CWE-203
Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References (2)

Source: cve@mitre.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.