CVE-2021-46747
Quick assessment
Affected
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
AMD Processors是美国超威半导体（AMD）公司的一系列处理器。 AMD Processors存在安全漏洞，该漏洞源于访问控制粒度不足，可能导致攻击者利用不受信任的用户空间应用程序映射敏感的SMN孔径，从而导致权限提升。以下产品受到影响：AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics、AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors、AMD Ryzen™ 5
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 28
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I. Basic Information for CVE-2021-46747
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1220
Source: CVE Program / CVE List V5
Vulnerability Title
AMD Processors 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Processors是美国超威半导体（AMD）公司的一系列处理器。 AMD Processors存在安全漏洞，该漏洞源于访问控制粒度不足，可能导致攻击者利用不受信任的用户空间应用程序映射敏感的SMN孔径，从而导致权限提升。以下产品受到影响：AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics、AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors、AMD Ryzen™ 5
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-46747
| # | POC Description | Source Link | Shenlong Link |
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AI-Generated POC
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Vendor Advisories for CVE-2021-46747 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2021-46747
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