// For flags

CVE-2021-26387

 

Severity Score

3.9
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Insufficient access controls in ASP kernel may allow a
privileged attacker with access to AMD signing keys and the BIOS menu or UEFI
shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2021-01-29 CVE Reserved
  • 2024-08-13 CVE Published
  • 2024-08-14 EPSS Updated
  • 2024-10-30 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-863: Incorrect Authorization
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
AMD
Search vendor "AMD"
AMD EPYC™ 7002 Series Processors
Search vendor "AMD" for product "AMD EPYC™ 7002 Series Processors"
<=
Search vendor "AMD" for product "AMD EPYC™ 7002 Series Processors" and version " <= "
en
Affected
AMD
Search vendor "AMD"
AMD EPYC™ 7003 Series Processors
Search vendor "AMD" for product "AMD EPYC™ 7003 Series Processors"
<=
Search vendor "AMD" for product "AMD EPYC™ 7003 Series Processors" and version " <= "
en
Affected
AMD
Search vendor "AMD"
AMD EPYC™ 9004 Series Processors
Search vendor "AMD" for product "AMD EPYC™ 9004 Series Processors"
<=
Search vendor "AMD" for product "AMD EPYC™ 9004 Series Processors" and version " <= "
en
Affected
AMD
Search vendor "AMD"
AMD EPYC™ Embedded 3000 Series Processors
Search vendor "AMD" for product "AMD EPYC™ Embedded 3000 Series Processors"
<=
Search vendor "AMD" for product "AMD EPYC™ Embedded 3000 Series Processors" and version " <= "
en
Affected
AMD
Search vendor "AMD"
AMD EPYC™ Embedded 7002 Series Processors
Search vendor "AMD" for product "AMD EPYC™ Embedded 7002 Series Processors"
<=
Search vendor "AMD" for product "AMD EPYC™ Embedded 7002 Series Processors" and version " <= "
en
Affected
AMD
Search vendor "AMD"
AMD EPYC™ Embedded 7003 Series Processors
Search vendor "AMD" for product "AMD EPYC™ Embedded 7003 Series Processors"
<=
Search vendor "AMD" for product "AMD EPYC™ Embedded 7003 Series Processors" and version " <= "
en
Affected
AMD
Search vendor "AMD"
AMD EPYC™ Embedded 9003 Series Processors
Search vendor "AMD" for product "AMD EPYC™ Embedded 9003 Series Processors"
<=
Search vendor "AMD" for product "AMD EPYC™ Embedded 9003 Series Processors" and version " <= "
en
Affected