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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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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