USN-5551-1

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    USN-5551-1

    Published: 4 Aug 2022Last Modified: 10 Feb 2026

    Summary: mod-wsgi vulnerability

    Details: It was discovered that mod-wsgi did not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker could use this issue to pass the header to WSGI applications, contrary to expectations.

    References: https://ubuntu.com/security/notices/USN-5551-1, https://ubuntu.com/security/CVE-2022-2255

    Affected packages

    Package

    Name: mod-wsgi

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.5.17-1ubuntu1.1

    Affected versions

    4.5.17-1
    4.5.17-1ubuntu1

    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
    USN-5551-1 | CVE-DB