CWE
290
Advisory Published
Updated

CVE-2020-13529

First published: Mon May 10 2021(Updated: )

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.

Credit: talos-cna@cisco.com

Affected SoftwareAffected VersionHow to fix
Systemd Project Systemd=245
Fedoraproject Fedora=33
Netapp Active Iq Unified Manager Vsphere
Netapp Cloud Backup

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Frequently Asked Questions

  • What is CVE-2020-13529?

    CVE-2020-13529 is a denial-of-service vulnerability in Systemd 245 that allows an attacker to cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack.

  • How does CVE-2020-13529 work?

    CVE-2020-13529 works by sending a specially crafted DHCP FORCERENEW packet, which can be used to forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.

  • Which software versions are affected by CVE-2020-13529?

    The affected software versions include Systemd 245, Fedoraproject Fedora 33, Netapp Active Iq Unified Manager, and Netapp Cloud Backup.

  • What is the severity of CVE-2020-13529?

    CVE-2020-13529 has a severity rating of 6.1 (Medium).

  • Is there a fix available for CVE-2020-13529?

    Yes, a fix for CVE-2020-13529 is available. It is recommended to update to the latest version of the affected software.

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