CVE-2021-37587

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    CVE-2021-37587

    Published: 30 Jul 2021Last Modified: 9 Jul 2026

    Summary:

    Details: In Charm 0.43, any single user can decrypt DAC-MACS or MA-ABE-YJ14 data.

    References: https://eprint.iacr.org/2020/460, https://jhuisi.github.io/charm/charm/schemes/abenc/abenc_dacmacs_yj14.html, https://www2.hci.uni-hannover.de/papers/Tan2019.pdf, https://github.com/JHUISI/charm/issues/276, https://jhuisi.github.io/charm/_modules/abenc_maabe_yj14.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 42e38b121edce8d9dad111a6ac919b420f6b1482
    Fixed -None

    Affected versions

    0.43

    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-2021-37587 | CVE-DB