AMD Ryzen 5 5600x3d Firmware vulnerabilities

5 CVEs affecting AMD Ryzen 5 5600x3d Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-20597, published 2023-09-20.

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

• CVE-2023-20569, published 2023-08-08. Medium severity, CVSS 4.7. EPSS: 7.3% chance of exploitation in the next 30 days. A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address,…
• CVE-2023-20589, published 2023-08-08. Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days. An attacker with specialized hardware and physical access to an impacted device may be able to perform a voltage fault injection attack resulting in compromise of the ASP secure boot potentially…
• CVE-2023-20555, published 2023-08-08. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary…
• CVE-2023-20594, published 2023-09-20. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.
• CVE-2023-20597, published 2023-09-20. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.