// For flags

CVE-2020-25082

 

Severity Score

3.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Un atacante con acceso físico a Nuvoton Trusted Platform Module (NPCT75x versiones 7.2.x anteriores a 7.2.2.0) podría extraer una clave privada de Elliptic Curve Cryptography (ECC) por medio de un ataque de canal lateral contra ECDSA, debido a una Discrepancia de Tiempo Observable

*Credits: N/A
CVSS Scores
Attack Vector
Physical
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Physical
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-09-02 CVE Reserved
  • 2021-08-10 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-203: Observable Discrepancy
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nuvoton
Search vendor "Nuvoton"
 Npct75x Firmware
Search vendor "Nuvoton" for product "Npct75x Firmware"
 >= 7.2.0 < 7.2.2.0
Search vendor "Nuvoton" for product "Npct75x Firmware" and version " >= 7.2.0 < 7.2.2.0"
-
Affected
in Nuvoton
Search vendor "Nuvoton"
 Npct75x
Search vendor "Nuvoton" for product "Npct75x"
--
Safe