CVE-2021-46757
HIGHCVSS 7.8/10EPSS 0.18%
Last modified
CVE-2021-46757 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel virtual address space potentially leading to privilege escalation.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel virtual address space potentially leading to privilege escalation.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Amd | Ryzen Embedded 5950e Firmware | < embam4pi_1.0.0.0 |
| Amd | Ryzen Embedded 5900e Firmware | < embam4pi_1.0.0.0 |
| Amd | Ryzen Embedded 5800e Firmware | < embam4pi_1.0.0.0 |
| Amd | Ryzen Embedded 5600e Firmware | < embam4pi_1.0.0.0 |
| Amd | Ryzen Embedded V2516 Firmware | < embeddedpi-fp6_1.0.0.6 |
| Amd | Ryzen Embedded V2546 Firmware | < embeddedpi-fp6_1.0.0.6 |
| Amd | Ryzen Embedded V2718 Firmware | < embeddedpi-fp6_1.0.0.6 |
| Amd | Ryzen Embedded V2748 Firmware | < embeddedpi-fp6_1.0.0.6 |
| Amd | Ryzen Embedded R2312 Firmware | < embeddedpi-fp6_1.0.0.6 |
| Amd | Ryzen Embedded R2314 Firmware | < embeddedpi-fp6_1.0.0.6 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46757?
Insufficient checking of memory buffer in ASP
Secure OS may allow an attacker with a malicious TA to read/write to the ASP
Secure OS kernel virtual address space potentially leading to privilege
escalation.
How severe is CVE-2021-46757?
CVE-2021-46757 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46757?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-46757?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST