DEBIAN-CVE-2021-28169

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    DEBIAN-CVE-2021-28169

    Published: 9 Jun 2021Last Modified: 1 Sept 2026
    Upstream:
    CVE-2021-28169

    Summary:

    Details: For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the ConcatServlet with a doubly encoded path to access protected resources within the WEB-INF directory. For example a request to `/concat?/%2557EB-INF/web.xml` can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application.

    References: https://security-tracker.debian.org/tracker/CVE-2021-28169

    Affected packages

    Package

    Name: jetty9

    Purl: pkg:deb/debian/jetty9?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -9.4.39-2

    Affected versions

    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
    DEBIAN-CVE-2021-28169 | CVE-DB