CVE-2020-25082
LOW
3.8
CVSS Score
Published: August 10, 2021 at 03:28 PM UTC
Updated: June 17, 2026 at 03:06 AM UTC
2 products affected across 1 vendorNPCT75X FirmwareNpct75X
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Severity
LOW3.8
Exploit prediction
EPSS 0.2%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
7.2.0 ≤ v < 7.2.2.0
Affected range stops below 7.2.2.0, so it looks safe — our inference, not a vendor statement
nuvoton-npct75x (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/CVSS
3.8LOWmitre
- Attack Vector
- PHYSICAL
- Complexity
- HIGH
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-203
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