AMD Ryzen Embedded v1000 Series Processors vulnerabilities

12 CVEs affecting AMD Ryzen Embedded v1000 Series Processors, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-31364, published 2026-02-26.

Highest priority

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

CVE-2023-31364, published 2026-02-26. High severity, CVSS 8.3. EPSS: 0.2% chance of exploitation in the next 30 days. Improper handling of direct memory writes in the input-output memory management unit could allow a malicious guest virtual machine (VM) to flood a host with writes, potentially causing a fatal…
CVE-2024-36349, published 2025-07-08. Low severity, CVSS 3.8. EPSS: 0.2% chance of exploitation in the next 30 days. A transient execution vulnerability in some AMD processors may allow a user process to infer TSC_AUX even when such a read is disabled, potentially resulting in information leakage.
CVE-2021-46772, published 2024-08-13. Low severity, CVSS 3.9. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory…
CVE-2023-20599, published 2025-06-10. High severity, CVSS 7.9. EPSS: 0.2% chance of exploitation in the next 30 days. Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP’s Crypto Co-Processor (CCP) registers from x86 resulting in potential loss of control of…
CVE-2021-46746, published 2024-08-13. Medium severity, CVSS 5.2. EPSS: 0.2% chance of exploitation in the next 30 days. Lack of stack protection exploit mechanisms in ASP Secure OS Trusted Execution Environment (TEE) may allow a privileged attacker with access to AMD signing keys to c006Frrupt the return address,…
CVE-2021-26377, published 2025-09-06. Medium severity, CVSS 4.1. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of…
CVE-2021-46750, published 2025-09-06. Low severity, CVSS 3.0. EPSS: 0.2% chance of exploitation in the next 30 days. Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR…
CVE-2021-26387, published 2024-08-13. Low severity, CVSS 3.9. EPSS: 0.1% chance of exploitation in the next 30 days. Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading…
CVE-2024-21947, published 2025-09-06. High severity, CVSS 7.5. EPSS: 0.1% chance of exploitation in the next 30 days. Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.
CVE-2024-21981, published 2024-08-13. Medium severity, CVSS 5.7. EPSS: 0.1% chance of exploitation in the next 30 days. Improper key usage control in AMD Secure Processor (ASP) may allow an attacker with local access who has gained arbitrary code execution privilege in ASP to extract ASP cryptographic keys,…

Latest

CVE-2024-21970, published 2025-09-06. Medium severity, CVSS 4.4. EPSS: 0.1% chance of exploitation in the next 30 days. Improper validation of an array index in the AND power Management Firmware could allow a privileged attacker to corrupt AGESA memory potentially leading to a loss of integrity.
CVE-2023-20518, published 2024-08-13. Low severity, CVSS 1.9. EPSS: 0.1% chance of exploitation in the next 30 days. Incomplete cleanup in the ASP may expose the Master Encryption Key (MEK) to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially…