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TI-2021-21474 Aliases CVE-2021-46757GHSA-5fqp-6xx2-943w

Memory corruption in AMD Ryzen™ Embedded 5000

Priority LOW 35CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00178 7th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AMDAMD Ryzen™ Embedded 5000various—No fix listedCNA
AMDAMD Ryzen™ Embedded V2000various—No fix listedCNA
  • AMD Ryzen™ Embedded 5000 VendorAMD Affected various Fixed in — No fix listed CNA
  • AMD Ryzen™ Embedded V2000 VendorAMD Affected various Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:o:amd:ryzen_embedded_5950e_firmware:*:*:*:*:*:*:*:*before embam4pi_1.0.0.0VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_5950e:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
cpe:2.3:o:amd:ryzen_embedded_5900e_firmware:*:*:*:*:*:*:*:*before embam4pi_1.0.0.0VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_5900e:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
cpe:2.3:o:amd:ryzen_embedded_5800e_firmware:*:*:*:*:*:*:*:*before embam4pi_1.0.0.0VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_5800e:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
cpe:2.3:o:amd:ryzen_embedded_5600e_firmware:*:*:*:*:*:*:*:*before embam4pi_1.0.0.0VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_5600e:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
cpe:2.3:o:amd:ryzen_embedded_v2516_firmware:*:*:*:*:*:*:*:*before embeddedpi-fp6_1.0.0.6VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_v2516:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
  • cpe:2.3:o:amd:ryzen_embedded_5950e_firmware:*:*:*:*:*:*:*:* Versions before embam4pi_1.0.0.0 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_5950e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
  • cpe:2.3:o:amd:ryzen_embedded_5900e_firmware:*:*:*:*:*:*:*:* Versions before embam4pi_1.0.0.0 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_5900e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
  • cpe:2.3:o:amd:ryzen_embedded_5800e_firmware:*:*:*:*:*:*:*:* Versions before embam4pi_1.0.0.0 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_5800e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
  • cpe:2.3:o:amd:ryzen_embedded_5600e_firmware:*:*:*:*:*:*:*:* Versions before embam4pi_1.0.0.0 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_5600e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
  • cpe:2.3:o:amd:ryzen_embedded_v2516_firmware:*:*:*:*:*:*:*:* Versions before embeddedpi-fp6_1.0.0.6 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_v2516:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:amd:ryzen_embedded_v2546_firmware:*:*:*:*:*:*:*:*before embeddedpi-fp6_1.0.0.6VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_v2546:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
cpe:2.3:o:amd:ryzen_embedded_v2718_firmware:*:*:*:*:*:*:*:*before embeddedpi-fp6_1.0.0.6VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_v2718:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
cpe:2.3:o:amd:ryzen_embedded_v2748_firmware:*:*:*:*:*:*:*:*before embeddedpi-fp6_1.0.0.6VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_v2748:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
cpe:2.3:o:amd:ryzen_embedded_r2312_firmware:*:*:*:*:*:*:*:*before embeddedpi-fp6_1.0.0.6VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_r2312:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
cpe:2.3:o:amd:ryzen_embedded_r2314_firmware:*:*:*:*:*:*:*:*before embeddedpi-fp6_1.0.0.6VulnerableAMD
cpe:2.3:h:amd:ryzen_embedded_r2314:-:*:*:*:*:*:*:*not specified by NVDRunning onAMD
  • cpe:2.3:o:amd:ryzen_embedded_v2546_firmware:*:*:*:*:*:*:*:* Versions before embeddedpi-fp6_1.0.0.6 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_v2546:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
  • cpe:2.3:o:amd:ryzen_embedded_v2718_firmware:*:*:*:*:*:*:*:* Versions before embeddedpi-fp6_1.0.0.6 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_v2718:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
  • cpe:2.3:o:amd:ryzen_embedded_v2748_firmware:*:*:*:*:*:*:*:* Versions before embeddedpi-fp6_1.0.0.6 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_v2748:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
  • cpe:2.3:o:amd:ryzen_embedded_r2312_firmware:*:*:*:*:*:*:*:* Versions before embeddedpi-fp6_1.0.0.6 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_r2312:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
  • cpe:2.3:o:amd:ryzen_embedded_r2314_firmware:*:*:*:*:*:*:*:* Versions before embeddedpi-fp6_1.0.0.6 Vulnerable ·AMD
  • cpe:2.3:h:amd:ryzen_embedded_r2314:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46757
  2. 2026-10-03 Alias added: GHSA-5fqp-6xx2-943w

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences