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.
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
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-29 CVE Reserved
- 2024-08-13 CVE Published
- 2024-10-30 CVE Updated
- 2025-03-18 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-863: Incorrect Authorization
CAPEC
References (2)
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html | 2024-08-13 |
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
| ||||||