CVE-2021-39241

    Dashboard / Vulnerabilities / CVE-2021-39241

    CVE-2021-39241

    Published: 17 Aug 2021Last Modified: 19 Sept 2026

    Summary:

    Details: An issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. An HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, such as in the "GET /admin? HTTP/1.1 /static/images HTTP/1.1" example.

    References: https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=89265224d314a056d77d974284802c1b8a0dc97f, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/, https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html, https://www.debian.org/security/2021/dsa-4960

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 6cbbecf09734aeb5fa8bb88f36f06a6f6d35e813
    Fixed -a786c41f1fa7abf85e76abfe1ba09b0aed99190d

    Affected versions

    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-2021-39241 | CVE-DB