What’s Vulnerable › Vulnerabilities

CVE-2023-20587

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-13 · updated 2026-06-17
• Weakness: CWE-284

Description

Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution.

Affected products

• AMD 1st Gen AMD EPYC™ Processors: various
• AMD 2nd Gen AMD EPYC™ Processors: various
• AMD 3rd Gen AMD EPYC™ Processors: various
• AMD 4th Gen AMD EPYC™ Processors: various
• AMD EPYC(TM) Embedded 3000: various
• AMD EPYC(TM) Embedded 7002: various
• AMD EPYC(TM) Embedded 7003: various
• AMD EPYC(TM) Embedded 9003: various

References

• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7009
• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7009

Get alerted when CVE-2023-20587 or the next vulnerability affects your stack