Amd Epyc 7281 Firmware — known CVE vulnerabilities
Every CVE whose affected-product data names Amd Epyc 7281 Firmware, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.
CVEs (40)
CVE-2023-20520 — CVSS 9.8 (critical): Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun…
CVE-2021-46756 — CVSS 9.1 (critical): Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious…
CVE-2021-26340 — CVSS 8.4 (high): A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation…
CVE-2020-12944 — CVSS 7.8 (high): Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.
CVE-2021-26398 — CVSS 7.8 (high): Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP…
CVE-2021-26335 — CVSS 7.8 (high): Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use…
CVE-2021-26331 — CVSS 7.8 (high): AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to…
CVE-2021-26322 — CVSS 7.5 (high): Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.
CVE-2023-20578 — CVSS 7.5 (high): A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify…
CVE-2020-12988 — CVSS 7.5 (high): A potential denial of service (DoS) vulnerability exists in the integrated chipset that may allow a malicious attacker to hang the system…
CVE-2021-26406 — CVSS 7.5 (high): Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES…
CVE-2021-26356 — CVSS 7.4 (high): A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data…
CVE-2021-26344 — CVSS 7.2 (high): An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to…
CVE-2021-26408 — CVSS 7.1 (high): Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in…
CVE-2020-12951 — CVSS 7.0 (high): Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.
CVE-2021-46774 — CVSS 6.7 (medium): Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address…
CVE-2023-20592 — CVSS 6.5 (medium): Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache…
CVE-2021-26341 — CVSS 6.5 (medium): Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.
CVE-2021-26403 — CVSS 6.5 (medium): Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM…
CVE-2021-46744 — CVSS 6.5 (medium): An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext…
CVE-2022-23823 — CVSS 6.5 (medium): A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to…
CVE-2022-23825 — CVSS 6.5 (medium): Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information…
CVE-2022-29900 — CVSS 6.5 (medium): Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-depend…
CVE-2023-20527 — CVSS 6.5 (medium): Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading…
CVE-2023-20575 — CVSS 6.5 (medium): A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting…
CVE-2021-46778 — CVSS 5.6 (medium): Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”…
CVE-2023-20588 — CVSS 5.5 (medium): A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
CVE-2022-23824 — CVSS 5.5 (medium): IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information…
CVE-2020-12954 — CVSS 5.5 (medium): A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized…
CVE-2020-12966 — CVSS 5.5 (medium): AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State (SEV-ES)…
CVE-2021-26312 — CVSS 5.5 (medium): Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory…
CVE-2021-26371 — CVSS 5.5 (medium): A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to…
CVE-2021-26321 — CVSS 5.5 (medium): Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
CVE-2021-26320 — CVSS 5.5 (medium): Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated…
CVE-2021-26330 — CVSS 5.5 (medium): AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.
CVE-2021-26329 — CVSS 5.5 (medium): AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss…
CVE-2021-26342 — CVSS 3.3 (low): In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer (TLB) following a particular sequence of operations that…
CVE-2023-20521 — CVSS 3.3 (low): TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification…
CVE-2023-20526 — CVSS 1.9 (low): Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP…