CVE-2021-46758
Quick assessment
Affected
AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”
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 Processor（ASP）是美国超威半导体（AMD）公司的一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor 存在安全漏洞，该漏洞源于引导加载程序中的 SPI 闪存地址验证不充分可能会允许攻击者读取映射到 SPI 闪存之外的内存中的数据，从而导致潜在的可用性和完整性损失。
Possible ATT&CK Techniques 1 AI
T1552 · Unsecured Credentials
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I. Basic Information for CVE-2021-46758
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
AMD Secure Processor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Secure Processor（ASP）是美国超威半导体（AMD）公司的一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor 存在安全漏洞，该漏洞源于引导加载程序中的 SPI 闪存地址验证不充分可能会允许攻击者读取映射到 SPI 闪存之外的内存中的数据，从而导致潜在的可用性和完整性损失。
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-2021-46758
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-46758 (1)
Same Patch Batch · AMD · 2023-11-14 · 20 CVEs total
| CVE-2022-23820 | 7.5 HIGH | AMD EPYC 安全漏洞 |
| CVE-2021-46774 | 6.7 MEDIUM | AMD EPYC 安全漏洞 |
| CVE-2023-20533 | 6.1 MEDIUM | AMD EPYC 安全漏洞 |
| CVE-2023-20566 | 5.3 MEDIUM | AMD EPYC 安全漏洞 |
| CVE-2023-20521 | 3.3 LOW | AMD EPYC 安全漏洞 |
| CVE-2021-46766 | 2.5 LOW | AMD EPYC 安全漏洞 |
| CVE-2022-23830 | 1.9 LOW | AMD EPYC 安全漏洞 |
| CVE-2021-26345 | 1.9 LOW | AMD EPYC 缓冲区错误漏洞 |
| CVE-2023-20526 | 1.9 LOW | AMD EPYC 安全漏洞 |
| CVE-2021-46748 | AMD Secure Processor 安全漏洞 | |
| CVE-2023-20596 | AMD Ryzen 安全漏洞 | |
| CVE-2023-20567 | AMD Graphics Driver 安全漏洞 | |
| CVE-2023-20568 | AMD Graphics Driver 安全漏洞 | |
| CVE-2023-20519 | AMD EPYC 资源管理错误漏洞 | |
| CVE-2023-20592 | AMD CPU 安全漏洞 | |
| CVE-2022-23821 | AMD System Management Mode 安全漏洞 | |
| CVE-2023-20563 | AMD CPU 安全漏洞 | |
| CVE-2023-20565 | AMD CPU 安全漏洞 | |
| CVE-2023-20571 | AMD CPU 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46758
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