An attacker with physical access to Nuvoton Trusted Platform Module (NPCT75x 7.2.x before…
Priority LOW 17CWE-203Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-203.
Summary
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.
Why it matters now
EPSS 0.00207 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25082
- 2026-10-03 Alias added: GHSA-c3qr-cx32-288c
References
More Nuvoton Npct75x Firmware vulnerabilities
- TI-2021-11994 In Nuvoton NPCT75x TPM 1.2 firmware 7.4.0.0, a local authenticated malicious user with… CVSS 3.1MEDIUM 6.0
Sources
- CVE-2020-25082 · CVE Program
- CVE-2020-25082 · NVD
- FIRST EPSS
- GHSA-c3qr-cx32-288c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences