CVE-2021-3509

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    CVE-2021-3509

    Published: 27 May 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in Red Hat Ceph Storage 4, in the Dashboard component. In response to CVE-2020-27839, the JWT token was moved from localStorage to an httpOnly cookie. However, token cookies are used in the body of the HTTP response for the documentation, which again makes it available to XSS.The greatest threat to the system is for confidentiality, integrity, and availability.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=1950116, https://github.com/ceph/ceph/commit/7a1ca8d372da3b6a4fc3d221a0e5f72d1d61c27b, https://github.com/ceph/ceph/commit/adda853e64bdba1288d46bc7d462d23d8f2f10ca, https://github.com/ceph/ceph/commit/af3fffab3b0f13057134d96e5d481e400d8bfd27, https://github.com/ceph/ceph/blob/f1557e8f62d31883d3d34ae241a1a26af11d923f/src/pybind/mgr/dashboard/controllers/docs.py#L394-L409

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -7a1ca8d372da3b6a4fc3d221a0e5f72d1d61c27b

    Affected versions

    v14.2.20
    v14.2.19
    v14.2.18
    v14.2.17
    v14.2.13
    v14.2.16
    v14.2.15
    v14.2.14
    v14.2.12
    v14.2.11
    v14.2.10
    v14.2.8
    v14.2.5
    v14.2.7
    v14.2.6
    v14.2.3
    v14.2.2
    v14.2.1
    v14.2.0

    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-2021-3509 | CVE-DB