CVE-2021-32020

    Dashboard / Vulnerabilities / CVE-2021-32020

    CVE-2021-32020

    Published: 3 May 2021Last Modified: 11 Feb 2026

    Summary:

    Details: The kernel in Amazon Web Services FreeRTOS before 10.4.3 has insufficient bounds checking during management of heap memory.

    References: https://github.com/FreeRTOS/FreeRTOS-Kernel/commit/c7a9a01c94987082b223d3e59969ede64363da63, https://github.com/FreeRTOS/FreeRTOS-Kernel/commit/c7a9a01c94987082b223d3e59969ede64363da63

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -9c048e0c71ee43630394981a86f5265bc57131e4

    Affected versions

    V10.3.0-kernel-only
    V10.3.1-kernel-only

    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
    CVE-2021-32020 | CVE-DB