UBUNTU-CVE-2020-13529

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    UBUNTU-CVE-2020-13529

    Published: 10 May 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-13529

    Summary:

    Details: An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.

    References: https://ubuntu.com/security/CVE-2020-13529, https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142, https://ubuntu.com/security/notices/USN-5013-1, https://ubuntu.com/security/notices/USN-5013-2, https://www.cve.org/CVERecord?id=CVE-2020-13529

    Affected packages

    Package

    Name: systemd

    Purl: pkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    204-0ubuntu18

    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
    UBUNTU-CVE-2020-13529 | CVE-DB