AMD Epyc Embedded 9003 vulnerabilities

2 CVEs affecting AMD Epyc Embedded 9003, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-20577, published 2026-09-02.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2023-31315, published 2024-08-12. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code…
• CVE-2023-20577, published 2026-09-02. High severity, CVSS 7.4. EPSS: 0.2% chance of exploitation in the next 30 days. A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.