CVE-2020-21699

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    CVE-2020-21699

    Published: 22 Aug 2023Last Modified: 8 Jul 2026

    Summary:

    Details: The web server Tengine 2.2.2 developed in the Nginx version from 0.5.6 thru 1.13.2 is vulnerable to an integer overflow vulnerability in the nginx range filter module, resulting in the leakage of potentially sensitive information triggered by specially crafted requests.

    References: https://github.com/ZxDecide/Nginx-variants/blob/master/%E9%99%84%E4%BB%B6%28Tengine%29.docx

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 52fff0eb7d8dd7d789e810de433d164aebf39433
    Fixed -None

    Affected versions

    2.2.2

    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-2020-21699 | CVE-DB