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    CVE-2021-46779

    Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.

    Published:Jan 10, 2023
    Last Modified:Apr 9, 2025
    EPS:Jan 10, 2023
    EPSS Score:0.00038
    CVSS Score:7.1

    Affected Products

    Vendor
    Amd
    Product
    Milanpi
    Vendor
    Amd
    Product
    Milanpi Firmware
    Vendor
    Amd
    Product
    Naplespi
    Vendor
    Amd
    Product
    Naplespi Firmware
    Vendor
    Amd
    Product
    Romepi
    Vendor
    Amd
    Product
    Romepi Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2021-26344 (CVSS 7.2) — An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker …
    CVE-2023-20519 (CVSS 3.3) — A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor…
    CVE-2023-20522 (CVSS 7.5) — Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially cause a denial…
    CVE-2021-46791 (CVSS 5.5) — Insufficient input validation during parsing of the System Management Mode (SMM) binary may allow a maliciousl…
    CVE-2021-46768 (CVSS 5.5) — Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads with…
    CVE-2021-46767 (CVSS 6.1) — Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access…
    CVE-2021-26409 (CVSS 7.8) — Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potent…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High