// For flags

CVE-2020-12926

 

Severity Score

6.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The Trusted Platform Modules (TPM) reference software may not properly track the number of times a failed shutdown happens. This can leave the TPM in a state where confidential key material in the TPM may be able to be compromised. AMD believes that the attack requires physical access of the device because the power must be repeatedly turned on and off. This potential attack may be used to change confidential information, alter executables signed by key material in the TPM, or create a denial of service of the device.

Es posible que el software de referencia Trusted Platform Modules (TPM) no rastree correctamente la cantidad de veces que ocurre un apagado fallido. Esto puede dejar al TPM en un estado en el que el material de la clave confidencial del TPM puede verse comprometido. AMD cree que el ataque requiere acceso físico al dispositivo porque la energía debe encenderse y apagarse repetidamente. Este ataque potencial puede ser usado para cambiar información confidencial, alterar los ejecutables firmados por material de clave en el TPM o crear una denegación de servicio del dispositivo

*Credits: N/A
CVSS Scores
Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-05-15 CVE Reserved
  • 2020-11-12 CVE Published
  • 2023-07-29 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://www.amd.com/en/corporate/product-security 2020-11-30
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Amd
Search vendor "Amd"
 Trusted Platform Modules Reference
Search vendor "Amd" for product "Trusted Platform Modules Reference"
--
Affected