CVE-2021-24116

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    CVE-2021-24116

    Published: 14 Jul 2021Last Modified: 22 Jul 2026

    Summary:

    Details: In wolfSSL through 4.6.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.

    References: https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md, https://github.com/wolfSSL/wolfssl/releases

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -9c87f979a7f1d3a6d786b260653d566c1d31a1c4

    Affected versions

    v4.5.0-stable

    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-2021-24116 | CVE-DB