// For flags

CVE-2021-38576

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.

Un error de la BIOS en el firmware de un determinado modelo de PC deja vacío el valor de autorización de la plataforma. Esto puede ser usado para brickear permanentemente el TPM de múltiples maneras, así como para DoS no permanente del sistema

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-11 CVE Reserved
  • 2022-01-03 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-09-18 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
References (0)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
201808
Search vendor "Tianocore" for product "Edk2" and version "201808"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
201811
Search vendor "Tianocore" for product "Edk2" and version "201811"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
201903
Search vendor "Tianocore" for product "Edk2" and version "201903"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
201905
Search vendor "Tianocore" for product "Edk2" and version "201905"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
201908
Search vendor "Tianocore" for product "Edk2" and version "201908"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
201911
Search vendor "Tianocore" for product "Edk2" and version "201911"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
202002
Search vendor "Tianocore" for product "Edk2" and version "202002"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
202005
Search vendor "Tianocore" for product "Edk2" and version "202005"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
202008
Search vendor "Tianocore" for product "Edk2" and version "202008"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
202011
Search vendor "Tianocore" for product "Edk2" and version "202011"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
202102
Search vendor "Tianocore" for product "Edk2" and version "202102"
-
Affected
Tianocore
Search vendor "Tianocore"
Edk2
Search vendor "Tianocore" for product "Edk2"
202105
Search vendor "Tianocore" for product "Edk2" and version "202105"
-
Affected