Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (AMD) · only source for this CVE.
CVSS VectorVendor: AMD
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
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. Rated high severity (CVSS 7.1). No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-1220. 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. Affected products include: Amd Amd Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics, Amd Amd Ryzen™ Threadripper™ Pro 3000 Wx-Series Processors, Amd Amd Ryzen™ 5000 Series Desktop Processors With Radeon™ Graphics, Amd Amd Ryzen™ Threadripper™ Pro 5000 Wx-Series Processors, Amd Amd Ryzen™ 4000 Series Mobile Processors With Radeon™ Graphics.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Same technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today
EUVD-2021-34843
GHSA-59gr-g8qh-wf7f