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CVE-2021-46757

HIGH

7.8

CVSS Score

Published: February 13, 2024 at 07:23 PM UTC

Updated: June 17, 2026 at 04:15 AM UTC

22 products affected across 1 vendorRyzen Embedded V2748 FirmwareRyzen Embedded V2718 FirmwareRyzen Embedded V2516 Firmware

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ryzen Embedded 5600E Firmware · AMD

95%

v < embam4pi_1.0.0.0

Affected range stops below embam4pi_1.0.0.0, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-5600e (same device)

Ryzen Embedded 5800E Firmware · AMD

95%

v < embam4pi_1.0.0.0

Affected range stops below embam4pi_1.0.0.0, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-5800e (same device)

Ryzen Embedded 5900E Firmware · AMD

95%

v < embam4pi_1.0.0.0

Affected range stops below embam4pi_1.0.0.0, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-5900e (same device)

Ryzen Embedded 5950E Firmware · AMD

95%

v < embam4pi_1.0.0.0

Affected range stops below embam4pi_1.0.0.0, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-5950e (same device)

Ryzen Embedded R2312 Firmware · AMD

95%

v < embeddedpi-fp6_1.0.0.6

Affected range stops below embeddedpi-fp6_1.0.0.6, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-r2312 (same device)

Ryzen Embedded R2314 Firmware · AMD

95%

v < embeddedpi-fp6_1.0.0.6

Affected range stops below embeddedpi-fp6_1.0.0.6, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-r2314 (same device)

Ryzen Embedded V2516 Firmware · AMD

95%

v < embeddedpi-fp6_1.0.0.6

Affected range stops below embeddedpi-fp6_1.0.0.6, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-v2516 (same device)

Ryzen Embedded V2546 Firmware · AMD

95%

v < embeddedpi-fp6_1.0.0.6

Affected range stops below embeddedpi-fp6_1.0.0.6, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-v2546 (same device)

Ryzen Embedded V2718 Firmware · AMD

95%

v < embeddedpi-fp6_1.0.0.6

Affected range stops below embeddedpi-fp6_1.0.0.6, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-v2718 (same device)

Ryzen Embedded V2748 Firmware · AMD

95%

v < embeddedpi-fp6_1.0.0.6

Affected range stops below embeddedpi-fp6_1.0.0.6, so it looks safe — our inference, not a vendor statement

amd-ryzen-embedded-v2748 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001

References (1)

Vendor Advisory

Source: [email protected]

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfoCWE-119

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