CVE-2021-29432

    Dashboard / Vulnerabilities / CVE-2021-29432

    CVE-2021-29432

    Published: 15 Apr 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Sydent is a reference matrix identity server. 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. This issue has been fixed in 4469d1d.

    References: https://github.com/matrix-org/sydent/releases/tag/v2.3.0, https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42, https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx, https://pypi.org/project/matrix-sydent/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -c2ab10897500dbba1c0d4be33f42985d81bbad7d

    Affected versions

    fosdem_2021-01-15

    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-2021-29432 | CVE-DB