CVE-2021-26387
Quick assessment
Affected
AMD AMD EPYC™ 7001 Series Processors
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 Secure Encrypted Virtualization和AMD Secure Processor（ASP）都是美国超威半导体（AMD）公司的产品。AMD Secure Encrypted Virtualization是一个应用软件。硬件加速的内存加密，以保护使用中的数据。AMD Secure Processor是一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor(ASP)、AMD Secure Encrypted Virtualization(SEV
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I. Basic Information for CVE-2021-26387
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient access controls in ASP kernel may allow a
privileged attacker with access to AMD signing keys and the BIOS menu or UEFI
shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Secure Encrypted Virtualization和AMD Secure Processor（ASP）都是美国超威半导体（AMD）公司的产品。AMD Secure Encrypted Virtualization是一个应用软件。硬件加速的内存加密，以保护使用中的数据。AMD Secure Processor是一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor(ASP)、AMD Secure Encrypted Virtualization(SEV
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-2021-26387
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-26387 (2)
-
AMD Server Vulnerabilities – August 2024 vendor-advisory
Same Patch Batch · AMD · 2024-08-13 · 26 CVEs total
| CVE-2022-23815 | 7.5 HIGH | AMD Secure Processor 安全漏洞 |
| CVE-2023-20578 | 7.5 HIGH | AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞 |
| CVE-2023-31349 | 7.3 HIGH | AMD μProf 安全漏洞 |
| CVE-2023-31348 | 7.3 HIGH | AMD μProf 安全漏洞 |
| CVE-2023-31341 | 7.3 HIGH | AMD μProf 安全漏洞 |
| CVE-2021-26344 | 7.2 HIGH | AMD Secure Processor 和 AMD Secure Encrypted Virtualization 安全漏洞 |
| CVE-2023-20591 | 6.5 MEDIUM | AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞 |
| CVE-2021-26367 | 5.7 MEDIUM | AMD Graphics Driver 安全漏洞 |
| CVE-2024-21981 | 5.7 MEDIUM | AMD Secure Processor 安全漏洞 |
| CVE-2023-20584 | 5.3 MEDIUM | AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞 |
| CVE-2023-20509 | 5.2 MEDIUM | AMD Graphics Driver 安全漏洞 |
| CVE-2021-46746 | 5.2 MEDIUM | AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞 |
| CVE-2023-31310 | 5.0 MEDIUM | AMD Graphics Driver 安全漏洞 |
| CVE-2023-31339 | 4.8 MEDIUM | AMD Zynq UltraScale+ 安全漏洞 |
| CVE-2023-20510 | 4.7 MEDIUM | AMD Graphics Driver 安全漏洞 |
| CVE-2023-31356 | 4.4 MEDIUM | AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞 |
| CVE-2021-46772 | 3.9 LOW | AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞 |
| CVE-2023-20513 | 3.3 LOW | AMD Graphics Driver 安全漏洞 |
| CVE-2023-31366 | 3.3 LOW | AMD μProf 安全漏洞 |
| CVE-2023-31304 | 2.3 LOW | AMD Graphics Driver 安全漏洞 |
Showing top 20 of 26 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-26387
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