Advisory Published
Updated

CVE-2021-28482: Microsoft Exchange Server Remote Code Execution Vulnerability

First published: Tue Apr 13 2021(Updated: )

Microsoft Exchange Server Remote Code Execution Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
=2013-cumulative_update_23
=2016-cumulative_update_19
=2016-cumulative_update_20
=2019-cumulative_update_8
=2019-cumulative_update_9
Microsoft Exchange Server=2013-cumulative_update_23
Microsoft Exchange Server=2016-cumulative_update_19
Microsoft Exchange Server=2016-cumulative_update_20
Microsoft Exchange Server=2019-cumulative_update_8
Microsoft Exchange Server=2019-cumulative_update_9

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2021-28482?

    CVE-2021-28482 is rated as critical due to its potential for remote code execution.

  • How do I fix CVE-2021-28482?

    To mitigate CVE-2021-28482, users should apply the latest security patches provided by Microsoft for affected Exchange Server versions.

  • What are the affected versions in CVE-2021-28482?

    CVE-2021-28482 affects Microsoft Exchange Server 2013 Cumulative Update 23, 2016 Cumulative Updates 19 and 20, and 2019 Cumulative Updates 8 and 9.

  • What type of vulnerability is CVE-2021-28482?

    CVE-2021-28482 is classified as a remote code execution vulnerability.

  • Can CVE-2021-28482 lead to data loss?

    Yes, successful exploitation of CVE-2021-28482 could potentially lead to unauthorized access and data loss.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203