CVE-2017-9781

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    CVE-2017-9781

    Published: 21 Jun 2017Last Modified: 27 Aug 2026

    Summary:

    Details: A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject arbitrary HTML or JavaScript via the _username parameter when attempting authentication to webapi.py, which is returned unencoded with content type text/html.

    References: http://git.mathias-kettner.de/git/?p=check_mk.git%3Ba=blob%3Bf=.werks/4757%3Bhb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1, https://www.tenable.com/security/research/tra-2017-21

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3144d0a38c9ff1b290ae6f4489c5df34a2daaf65
    Fixed -None

    Affected versions

    1.4.0
    1.4.0-p1
    1.4.0-p2
    1.4.0-p3
    1.4.0-p4
    1.4.0-p5

    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-2017-9781 | CVE-DB