EUVD-2021-34843
GHSA-59gr-g8qh-wf7f
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V8 - Authorization Insufficient granularity of access control
|
| Impact | CVSS score of 7.1 (HIGH). Attack characteristics: local attack vector, high complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.01%. |
| Exploit ScenarioDerived | Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
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.
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.
Affected VersionsENISA
Affects your stack
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Technical ContextAI · show details
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.
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- Exploit and PoC references, threat intelligence from 22 sources
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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
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Vulnrichment
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
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Exploit-DB