UBUNTU-CVE-2021-28235

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    UBUNTU-CVE-2021-28235

    Published: 4 Apr 2023Last Modified: 2 Jul 2026
    Upstream:
    CVE-2021-28235
    Aliases:
    USN-6189-1

    Summary:

    Details: Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.

    References: https://ubuntu.com/security/CVE-2021-28235, https://github.com/etcd-io/etcd/pull/15648, https://github.com/etcd-io/etcd/pull/15655, https://github.com/etcd-io/etcd/commit/1f746597ea6ce9f0a4554108bc853f256e150b0b, https://github.com/etcd-io/etcd/commit/3618ab4b07cc9c0883b6a642da198877e25d612b, https://ubuntu.com/security/notices/USN-6189-1, https://www.cve.org/CVERecord?id=CVE-2021-28235

    Affected packages

    Package

    Name: etcd

    Purl: pkg:deb/ubuntu/etcd?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.2.0+dfsg-2
    2.2.1+dfsg-1
    2.2.2+dfsg-1
    2.2.2+dfsg-2
    2.2.3+dfsg-1
    2.2.5+dfsg-1
    2.2.5+dfsg-1ubuntu1

    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
    UBUNTU-CVE-2021-28235 | CVE-DB