CVE-2021-30487

    Dashboard / Vulnerabilities / CVE-2021-30487

    CVE-2021-30487

    Published: 15 Apr 2021Last Modified: 7 Aug 2026

    Summary:

    Details: In the topic moving API in Zulip Server 3.x before 3.4, organization administrators were able to move messages to streams in other organizations hosted by the same Zulip installation.

    References: https://blog.zulip.com/2021/04/14/zulip-server-3-4/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- e46bbf18ebb1aef49319a69dcabf319e2a2c939a
    Fixed -974b95b0956e6be5ef43683fbfac951d6460c802

    Affected versions

    3.3

    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-2021-30487 | CVE-DB