Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures leading to a potential escalation of privileges.

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History

Mon, 01 Jun 2026 21:45:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via Weak SMN Access Control in AMD Secure Processor

Mon, 01 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Description Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures leading to a potential escalation of privileges.
Weaknesses CWE-1220
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-06-01T19:01:27.968Z

Reserved: 2022-03-31T16:50:27.864Z

Link: CVE-2021-46747

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-01T21:16:23.103

Modified: 2026-06-01T21:16:23.103

Link: CVE-2021-46747

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T21:30:26Z

Weaknesses