AMD Ryzen Embedded v1000 vulnerabilities

7 CVEs affecting AMD Ryzen Embedded v1000, 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-2024-21925, published 2025-02-11. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. Improper input validation within the AmdPspP2CmboxV2 driver may allow a privileged attacker to overwrite SMRAM, leading to arbitrary code execution.
• CVE-2024-0179, published 2025-02-11. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. SMM Callout vulnerability within the AmdCpmDisplayFeatureSMM driver could allow locally authenticated attackers to overwrite SMRAM, potentially resulting in arbitrary code execution.
• CVE-2023-20515, published 2025-02-11. Medium severity, CVSS 5.7. EPSS: 0.2% chance of exploitation in the next 30 days. Improper access control in the fTPM driver in the trusted OS could allow a privileged attacker to corrupt system memory, potentially leading to loss of integrity, confidentiality, or availability.
• 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.
• CVE-2024-21971, published 2025-02-12. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Improper input validation in AMD Crash Defender could allow an attacker to provide the Windows® system process ID to a kernel-mode driver, resulting in an operating system crash, potentially leading…
• CVE-2024-36347, published 2025-06-27. Medium severity, CVSS 6.4. EPSS: 0.1% chance of exploitation in the next 30 days. Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious microcode, potentially resulting in loss of integrity…