CVE-2020-25082

EUVD-2020-17774
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.8 LOW
PHYSICAL
HIGH
HIGH
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
mitreCNA
3.8 LOW
PHYSICAL
HIGH
HIGH
CVSS:3.1/AC:H/AV:P/A:N/C:H/I:N/PR:H/S:U/UI:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
nuvotonnpct75x_firmware
7.2.0 ≤
𝑥
< 7.2.2.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/
https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/