AMD Ryzen 5975wx Firmware vulnerabilities

10 CVEs affecting AMD Ryzen 5975wx 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-2021-46773, published 2023-05-09. High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days. Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a loss of integrity or code execution.
• CVE-2021-46794, published 2023-05-09. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in…
• CVE-2021-46765, published 2023-05-09. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.
• CVE-2021-46749, published 2023-05-09. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in…
• CVE-2021-46754, published 2023-05-09. Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days. Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into exposing sensitive information to the…
• CVE-2021-46753, published 2023-05-09. Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days. Failure to validate the length fields of the ASP (AMD Secure Processor) sensor fusion hub headers may allow an attacker with a malicious Uapp or ABL to map the ASP sensor fusion hub region and…
• CVE-2021-46792, published 2023-05-09. Medium severity, CVSS 5.9. EPSS: 0.4% chance of exploitation in the next 30 days. Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a race condition causing the ASP bootloader to perform out-of-bounds SRAM reads…
• CVE-2021-46759, published 2023-05-09. Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days. Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to reveal the contents of…
• 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.