CVE-2021-46795
Severity Score
4.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.
Existe una vulnerabilidad TOCTOU (time-of-check to time-of-use) donde un atacante puede usar un BIOS comprometido para hacer que TEE OS lea la memoria fuera de los límites, lo que potencialmente podría resultar en una denegación de servicio.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-05-04 CVE Reserved
- 2023-01-10 CVE Published
- 2024-08-02 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/bulletin/AMD-SB-1031 | 2023-01-20 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Amd Search vendor "Amd" | Comboam4v2 Pi Firmware Search vendor "Amd" for product "Comboam4v2 Pi Firmware" | < 1.2.0.5 Search vendor "Amd" for product "Comboam4v2 Pi Firmware" and version " < 1.2.0.5" | - |
Affected
| in | Amd Search vendor "Amd" | Comboam4v2 Pi Search vendor "Amd" for product "Comboam4v2 Pi" | - | - |
Safe
|
| Amd Search vendor "Amd" | Renoirpi-fp6 Firmware Search vendor "Amd" for product "Renoirpi-fp6 Firmware" | < 1.0.0.7 Search vendor "Amd" for product "Renoirpi-fp6 Firmware" and version " < 1.0.0.7" | - |
Affected
| in | Amd Search vendor "Amd" | Comboam4v2 Pi Search vendor "Amd" for product "Comboam4v2 Pi" | - | - |
Safe
|
| Amd Search vendor "Amd" | Cezannepi-fp6 Firmware Search vendor "Amd" for product "Cezannepi-fp6 Firmware" | < 1.0.0.6 Search vendor "Amd" for product "Cezannepi-fp6 Firmware" and version " < 1.0.0.6" | - |
Affected
| in | Amd Search vendor "Amd" | Cezannepi-fp6 Search vendor "Amd" for product "Cezannepi-fp6" | - | - |
Safe
|