USN-5197-1

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    USN-5197-1

    Published: 15 Dec 2021Last Modified: 10 Feb 2026

    Summary: apache-log4j2 vulnerability

    Details: It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. An attacker could use this vulnerability to cause a denial of service. Please see the following link for more information: https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Log4Shell

    References: https://ubuntu.com/security/notices/USN-5197-1, https://ubuntu.com/security/CVE-2021-44228, https://ubuntu.com/security/CVE-2021-45046

    Affected packages

    Package

    Name: apache-log4j2

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.16.0-0.20.04.1

    Affected versions

    2.11.1-2
    2.11.2-1

    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-5197-1 | CVE-DB