USN-6037-1

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    USN-6037-1

    Published: 28 Apr 2023Last Modified: 25 Jun 2026

    Summary: Apache Commons Net vulnerability

    Details: ZeddYu Lu discovered that the FTP client from Apache Commons Net trusted the host from PASV responses by default. A remote attacker with a malicious FTP server could redirect the client to another server, which could possibly result in leaked information about services running on the private network of the client.

    References: https://ubuntu.com/security/notices/USN-6037-1, https://ubuntu.com/security/CVE-2021-37533

    Affected packages

    Package

    Name: libcommons-net-java

    Purl: pkg:deb/ubuntu/libcommons-net-java?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4-2ubuntu2+esm1

    Affected versions

    3.3-2

    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
    USN-6037-1 | CVE-DB