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I. Basic Information for CVE-2023-20573
Vulnerability Information
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Vulnerability Title
Debug Exception Delivery in Secure Nested Paging
Source: NVD (National Vulnerability Database)
Vulnerability Description
A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
AMD EPYC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD EPYC是美国超威半导体（AMD）公司的一款x86架构服务器微处理器产品线，中文名为“霄龙”，采用Zen微架构。 AMD EPYC 第3代和第4代存在安全漏洞，该漏洞源于允许特权攻击者阻止向SEV-SNP客户机传递调试异常，导致客户机无法收到预期的调试信息。
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
VendorProductAffected VersionsCPESubscribe
AMD3rd Gen AMD EPYC™ Processors various -
AMD4th Gen AMD EPYC™ Processors Various -
II. Public POCs for CVE-2023-20573
#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/Freax13/cve-2023-20573-pocPOC Details
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III. Intelligence Information for CVE-2023-20573
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IV. Related Vulnerabilities
Same product: 3rd Gen AMD EPYC™ Processors
Same vendor: AMD
V. Comments for CVE-2023-20573

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