CVE-2021-46755
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
Failure to unmap certain SysHub mappings in
error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker
with a malicious bootloader to exhaust the SysHub resources resulting in a
potential denial of service.
Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to exhaust the SysHub resources resulting in a potential denial of service.
*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:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-03-31 CVE Reserved
- 2023-05-09 CVE Published
- 2025-01-28 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 | 2023-05-22 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Amd Search vendor "Amd" | Ryzen 5500 Firmware Search vendor "Amd" for product "Ryzen 5500 Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5500 Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5500 Search vendor "Amd" for product "Ryzen 5500" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5500 Firmware Search vendor "Amd" for product "Ryzen 5500 Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5500 Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5500 Search vendor "Amd" for product "Ryzen 5500" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5600 Firmware Search vendor "Amd" for product "Ryzen 5600 Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5600 Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5600 Search vendor "Amd" for product "Ryzen 5600" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5600 Firmware Search vendor "Amd" for product "Ryzen 5600 Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5600 Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5600 Search vendor "Amd" for product "Ryzen 5600" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5600g Firmware Search vendor "Amd" for product "Ryzen 5600g Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5600g Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5600g Search vendor "Amd" for product "Ryzen 5600g" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5600g Firmware Search vendor "Amd" for product "Ryzen 5600g Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5600g Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5600g Search vendor "Amd" for product "Ryzen 5600g" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5600x Firmware Search vendor "Amd" for product "Ryzen 5600x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5600x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5600x Search vendor "Amd" for product "Ryzen 5600x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5600x Firmware Search vendor "Amd" for product "Ryzen 5600x Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5600x Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5600x Search vendor "Amd" for product "Ryzen 5600x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5700g Firmware Search vendor "Amd" for product "Ryzen 5700g Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5700g Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5700g Search vendor "Amd" for product "Ryzen 5700g" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5700g Firmware Search vendor "Amd" for product "Ryzen 5700g Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5700g Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5700g Search vendor "Amd" for product "Ryzen 5700g" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5700x Firmware Search vendor "Amd" for product "Ryzen 5700x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5700x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5700x Search vendor "Amd" for product "Ryzen 5700x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5700x Firmware Search vendor "Amd" for product "Ryzen 5700x Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5700x Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5700x Search vendor "Amd" for product "Ryzen 5700x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5800x3d Firmware Search vendor "Amd" for product "Ryzen 5800x3d Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5800x3d Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5800x3d Search vendor "Amd" for product "Ryzen 5800x3d" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5800x3d Firmware Search vendor "Amd" for product "Ryzen 5800x3d Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5800x3d Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5800x3d Search vendor "Amd" for product "Ryzen 5800x3d" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5800x Firmware Search vendor "Amd" for product "Ryzen 5800x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5800x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5800x Search vendor "Amd" for product "Ryzen 5800x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5800x Firmware Search vendor "Amd" for product "Ryzen 5800x Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5800x Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5800x Search vendor "Amd" for product "Ryzen 5800x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5900x Firmware Search vendor "Amd" for product "Ryzen 5900x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5900x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5900x Search vendor "Amd" for product "Ryzen 5900x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5900x Firmware Search vendor "Amd" for product "Ryzen 5900x Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5900x Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5900x Search vendor "Amd" for product "Ryzen 5900x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5950x Firmware Search vendor "Amd" for product "Ryzen 5950x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 5950x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5950x Search vendor "Amd" for product "Ryzen 5950x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 5950x Firmware Search vendor "Amd" for product "Ryzen 5950x Firmware" | comboam4v2_pi_1.2.0.6 Search vendor "Amd" for product "Ryzen 5950x Firmware" and version "comboam4v2_pi_1.2.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 5950x Search vendor "Amd" for product "Ryzen 5950x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3100 Firmware Search vendor "Amd" for product "Ryzen 3100 Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3100 Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3100 Search vendor "Amd" for product "Ryzen 3100" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3100 Firmware Search vendor "Amd" for product "Ryzen 3100 Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3100 Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3100 Search vendor "Amd" for product "Ryzen 3100" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3300x Firmware Search vendor "Amd" for product "Ryzen 3300x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3300x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3300x Search vendor "Amd" for product "Ryzen 3300x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3300x Firmware Search vendor "Amd" for product "Ryzen 3300x Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3300x Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3300x Search vendor "Amd" for product "Ryzen 3300x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3500 Firmware Search vendor "Amd" for product "Ryzen 3500 Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3500 Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3500 Search vendor "Amd" for product "Ryzen 3500" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3500 Firmware Search vendor "Amd" for product "Ryzen 3500 Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3500 Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3500 Search vendor "Amd" for product "Ryzen 3500" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3500x Firmware Search vendor "Amd" for product "Ryzen 3500x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3500x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3500x Search vendor "Amd" for product "Ryzen 3500x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3500x Firmware Search vendor "Amd" for product "Ryzen 3500x Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3500x Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3500x Search vendor "Amd" for product "Ryzen 3500x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3600 Firmware Search vendor "Amd" for product "Ryzen 3600 Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3600 Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3600 Search vendor "Amd" for product "Ryzen 3600" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3600 Firmware Search vendor "Amd" for product "Ryzen 3600 Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3600 Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3600 Search vendor "Amd" for product "Ryzen 3600" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3600x Firmware Search vendor "Amd" for product "Ryzen 3600x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3600x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3600x Search vendor "Amd" for product "Ryzen 3600x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3600x Firmware Search vendor "Amd" for product "Ryzen 3600x Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3600x Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3600x Search vendor "Amd" for product "Ryzen 3600x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3600xt Firmware Search vendor "Amd" for product "Ryzen 3600xt Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3600xt Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3600xt Search vendor "Amd" for product "Ryzen 3600xt" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3600xt Firmware Search vendor "Amd" for product "Ryzen 3600xt Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3600xt Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3600xt Search vendor "Amd" for product "Ryzen 3600xt" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3800x Firmware Search vendor "Amd" for product "Ryzen 3800x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3800x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3800x Search vendor "Amd" for product "Ryzen 3800x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3800x Firmware Search vendor "Amd" for product "Ryzen 3800x Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3800x Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3800x Search vendor "Amd" for product "Ryzen 3800x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3800xt Firmware Search vendor "Amd" for product "Ryzen 3800xt Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3800xt Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3800xt Search vendor "Amd" for product "Ryzen 3800xt" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3800xt Firmware Search vendor "Amd" for product "Ryzen 3800xt Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3800xt Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3800xt Search vendor "Amd" for product "Ryzen 3800xt" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3900 Firmware Search vendor "Amd" for product "Ryzen 3900 Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3900 Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3900 Search vendor "Amd" for product "Ryzen 3900" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3900 Firmware Search vendor "Amd" for product "Ryzen 3900 Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3900 Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3900 Search vendor "Amd" for product "Ryzen 3900" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3900x Firmware Search vendor "Amd" for product "Ryzen 3900x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3900x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3900x Search vendor "Amd" for product "Ryzen 3900x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3900x Firmware Search vendor "Amd" for product "Ryzen 3900x Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3900x Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3900x Search vendor "Amd" for product "Ryzen 3900x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3900xt Firmware Search vendor "Amd" for product "Ryzen 3900xt Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3900xt Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3900xt Search vendor "Amd" for product "Ryzen 3900xt" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3900xt Firmware Search vendor "Amd" for product "Ryzen 3900xt Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3900xt Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3900xt Search vendor "Amd" for product "Ryzen 3900xt" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3950x Firmware Search vendor "Amd" for product "Ryzen 3950x Firmware" | comboam4_v2_pi_1.2.0.8 Search vendor "Amd" for product "Ryzen 3950x Firmware" and version "comboam4_v2_pi_1.2.0.8" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3950x Search vendor "Amd" for product "Ryzen 3950x" | - | - |
Safe
|
| Amd Search vendor "Amd" | Ryzen 3950x Firmware Search vendor "Amd" for product "Ryzen 3950x Firmware" | comboam4pi_1.0.0.9 Search vendor "Amd" for product "Ryzen 3950x Firmware" and version "comboam4pi_1.0.0.9" | - |
Affected
| in | Amd Search vendor "Amd" | Ryzen 3950x Search vendor "Amd" for product "Ryzen 3950x" | - | - |
Safe
|