CVE-2021-40387: High severity Kaseya Unitrends Backup Software vulnerability

Published Sep 1, 2021
·
Updated

An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2. There is authenticated remote code execution.

Affected Software

1 affected component
Kaseya Unitrends Backup Software<10.5.5-2

Event History

Sep 1, 2021
CVE Published
via MITRE·08:55 PM
Data Sourced
via MITRE·08:55 PM
Description
Data Sourced
via NVD·09:15 PM
DescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2021-40387?

CVE-2021-40387 has a critical severity due to its potential for authenticated remote code execution.

2

How do I fix CVE-2021-40387?

To address CVE-2021-40387, upgrade Kaseya Unitrends Backup Software to version 10.5.5-2 or later.

3

What versions are affected by CVE-2021-40387?

CVE-2021-40387 affects all versions of Kaseya Unitrends Backup Software prior to 10.5.5-2.

4

What type of vulnerability is CVE-2021-40387?

CVE-2021-40387 is classified as an authenticated remote code execution vulnerability.

5

Who is affected by CVE-2021-40387?

Organizations using Kaseya Unitrends Backup Software versions before 10.5.5-2 are at risk due to CVE-2021-40387.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203