CVE-2021-39867

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    CVE-2021-39867

    Published: 5 Oct 2021Last Modified: 27 Aug 2026

    Summary:

    Details: In all versions of GitLab CE/EE since version 8.15, a DNS rebinding vulnerability in Gitea Importer may be exploited by an attacker to trigger Server Side Request Forgery (SSRF) attacks.

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39867.json, https://gitlab.com/gitlab-org/gitlab/-/issues/214401

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c1710afbd437c557741ff4c7fa185c6ffb89bf1b
    Fixed -9cd657e5179e339171d27e4573b8f5711db1d824

    Affected versions

    v14.2.4-ee
    v14.2.3-ee
    v14.2.1-ee
    v14.2.0-ee

    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-2021-39867 | CVE-DB