CVE-2021-31865: Medium severity redmine vulnerability

Published Apr 28, 2021
·
Updated

Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows users to circumvent the allowed filename extensions of uploaded attachments.

Affected Software

4 affected components
Redmine Redmine<4.0.9
Redmine Redmine>=4.1.0<4.1.3
Redmine Redmine>=4.2.0<4.2.1
Debian Debian Linux=9.0

Event History

Apr 28, 2021
CVE Published
via MITRE·06:16 AM
Data Sourced
via MITRE·06:16 AM
Description

Frequently Asked Questions

1

What is CVE-2021-31865?

CVE-2021-31865 is a vulnerability in Redmine versions before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 that allows users to bypass the allowed filename extensions for uploaded attachments.

2

How severe is CVE-2021-31865?

CVE-2021-31865 has a severity rating of 5.3 (Medium).

3

How can I fix CVE-2021-31865?

To fix CVE-2021-31865, you should update Redmine to version 4.0.9, 4.1.3, or 4.2.1, depending on your currently installed version.

4

Where can I find more information about CVE-2021-31865?

You can find more information about CVE-2021-31865 in the Debian LTS Announcement and the Redmine Security Advisories.

5

What software versions are affected by CVE-2021-31865?

Redmine versions before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 are affected by CVE-2021-31865, as well as Debian Linux version 9.0.

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