CVE-2020-23622

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    CVE-2020-23622

    Published: 15 Aug 2022Last Modified: 9 Jul 2026

    Summary:

    Details: An issue in the UPnP protocol in 4thline cling 2.0.0 through 2.1.2 allows remote attackers to cause a denial of service via an unchecked CALLBACK parameter in the request header

    References: https://github.com/4thline/cling/issues/253, https://zh-cn.tenable.com/blog/cve-2020-12695-callstranger-vulnerability-in-universal-plug-and-play-upnp-puts-billions-of?tns_redirect=true

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 5fd60eb9e2e87f2ae6d1cf049145c4187040518c
    Fixed -None

    Affected versions

    2.1.2
    2.1.1
    2.1.0

    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-2020-23622 | CVE-DB