CVE-2022-2255

    Dashboard / Vulnerabilities / CVE-2022-2255

    CVE-2022-2255

    Published: 25 Aug 2022Last Modified: 12 Aug 2026

    Summary:

    Details: A vulnerability was found in mod_wsgi. The X-Client-IP header is not removed from a request from an untrusted proxy, allowing an attacker to pass the X-Client-IP header to the target WSGI application because the condition to remove it is missing.

    References: https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941, https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082, https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2255.json, https://nvd.nist.gov/vuln/detail/CVE-2022-2255, https://lists.debian.org/debian-lts-announce/2022/09/msg00021.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- a376ffc899a160e8ee91160e2da76edcfa260b31
    Fixed -a376ffc899a160e8ee91160e2da76edcfa260b31

    Affected versions

    mod_wsgi versions prior to 4.9.3

    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-2022-2255 | CVE-DB