GHSA-mh74-4m5g-fcjx

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    GHSA-mh74-4m5g-fcjx

    Published: 19 Apr 2021Last Modified: 10 Sept 2026

    Summary: Malicious users could abuse Sydent to control the content of invitation emails

    Details: ### Impact A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address. This could be used to construct plausible phishing emails, for example. ### Patches Fixed in 4469d1d, 6b405a8, 65a6e91. Note that these patches include changes to the *default* email templates. If these templates have been locally modified, they must also be updated. ### For more information If you have any questions or comments about this advisory, email us at [email protected].

    References: https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx, https://nvd.nist.gov/vuln/detail/CVE-2021-29432, https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42, https://github.com/matrix-org/sydent/releases/tag/v2.3.0, https://github.com/pypa/advisory-database/tree/main/vulns/matrix-sydent/PYSEC-2021-23.yaml, https://pypi.org/project/matrix-sydent

    Affected packages

    Package

    Name: matrix-sydent

    Purl: pkg:pypi/matrix-sydent

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.3.0

    Affected versions

    2.0.0
    2.0.1

    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
    GHSA-mh74-4m5g-fcjx | CVE-DB