CVE-2023-23549

    Dashboard / Vulnerabilities / CVE-2023-23549

    CVE-2023-23549

    Published: 15 Nov 2023Last Modified: 28 Oct 2026

    Summary: DoS via long hostnames

    Details: Improper Input Validation in Checkmk <2.2.0p15, <2.1.0p37, <=2.0.0p39 allows priviledged attackers to cause partial denial of service of the UI via too long hostnames.

    References: https://checkmk.com/werk/16219, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/23xxx/CVE-2023-23549.json, https://nvd.nist.gov/vuln/detail/CVE-2023-23549

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- a08e390df0ae711bbee6fbdd0d32da1452918ae3
    Fixed -None

    Affected versions

    2.0.0-NA
    2.0.0-b1
    2.0.0-b2
    2.0.0-b3
    2.0.0-b4
    2.0.0-b5
    2.0.0-b6
    2.0.0-b7
    2.0.0-b8
    2.0.0-p10
    2.0.0-p11
    2.0.0-p12
    2.0.0-p13
    2.0.0-p14
    2.0.0-p15
    2.0.0-p16
    2.0.0-p17
    2.0.0-p18
    2.0.0-p19
    2.0.0-p20
    2.0.0-p21
    2.0.0-p22
    2.0.0-p23
    2.0.0-p24
    2.0.0-p25
    2.0.0-p26
    2.0.0-p27
    2.0.0-p28
    2.0.0-p29
    2.0.0-p30
    2.0.0-p31
    2.0.0-p32
    2.0.0-p33
    2.0.0-p34
    2.0.0-p35
    2.0.0-p36
    2.0.0-p37
    2.0.0-p38
    2.0.0-p39
    2.0.0-p9

    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-2023-23549 | CVE-DB