CWE
732
Advisory Published
Updated

CVE-2021-23021

First published: Tue Jun 01 2021(Updated: )

The Nginx Controller 3.x before 3.7.0 agent configuration file /etc/controller-agent/agent.conf is world readable with current permission bits set to 644.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Nginx Controller>=3.0.0<3.7.0

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Frequently Asked Questions

  • What is the severity of CVE-2021-23021?

    CVE-2021-23021 is classified as a medium severity vulnerability due to the exposure of sensitive configuration data.

  • How do I fix CVE-2021-23021?

    To fix CVE-2021-23021, change the permissions of the agent configuration file to restrict access, setting it to 600.

  • What are the potential risks of CVE-2021-23021?

    The potential risks include unauthorized access to sensitive configuration information which could lead to further exploitation.

  • Which versions are affected by CVE-2021-23021?

    CVE-2021-23021 affects Nginx Controller versions from 3.0.0 to 3.6.0.

  • Is there a patch available for CVE-2021-23021?

    Yes, upgrading to Nginx Controller version 3.7.0 or later resolves the vulnerability.

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