CVE-2020-25082: Low severity nuvoton npct75x firmware vulnerability

Published Aug 10, 2021
·
Updated

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 Software

2 affected components
Nuvoton Npct75x Firmware>=7.2.0<7.2.2.0
Nuvoton NPCT75x

Event History

Aug 10, 2021
CVE Published
via MITRE·03:28 PM
Data Sourced
via MITRE·03:28 PM
DescriptionSeverity
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2020-25082?

CVE-2020-25082 is rated as a medium-severity vulnerability due to its requirement for physical access to exploit the flaw.

2

How do I fix CVE-2020-25082?

To mitigate CVE-2020-25082, upgrade the Nuvoton NPCT75x firmware to version 7.2.2.0 or later.

3

What type of attack is associated with CVE-2020-25082?

CVE-2020-25082 is associated with a side-channel attack that targets the timing discrepancies in the ECDSA implementation.

4

Which devices are affected by CVE-2020-25082?

CVE-2020-25082 affects Nuvoton NPCT75x firmware versions from 7.2.0 to 7.2.1.0.

5

Can CVE-2020-25082 be exploited remotely?

No, CVE-2020-25082 requires an attacker to have physical access to the device to exploit the vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203