CVE-2020-25082

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.

CVSS v3 3.8 LOW
CVSS v2.0 1.9 LOW

3.8^/10

CVSS v3 : LOW

Vector :

Exploitability : 0.2 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

1.9^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 3.4 / Impact : 2.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/	Vendor Advisory
https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:nuvoton:npct75x_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:nuvoton:npct75x:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:17

Type	Values Removed	Values Added
References	~~() https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/ - Vendor Advisory~~	() https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/ - Vendor Advisory

Information

Published : 2021-08-10 17:15

Updated : 2024-11-21 05:17

NVD link : CVE-2020-25082

Mitre link : CVE-2020-25082

CVE.ORG link : CVE-2020-25082

JSON object : View

Products Affected

nuvoton

npct75x
npct75x_firmware

CWE

CWE-203

Observable Discrepancy

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