What is CVE-2021-37628?

CVE-2021-37628 is a vulnerability in Nextcloud Richdocuments, an open source collaborative office suite, that allows bypassing of the File Drop feature, potentially enabling an attacker to read arbitrary files in a public link share.

How does the vulnerability in Nextcloud Richdocuments work?

The vulnerability in Nextcloud Richdocuments allows an attacker to bypass the File Drop feature and read arbitrary files in a public link share.

What is the severity of CVE-2021-37628?

The severity of CVE-2021-37628 is classified as high, with a severity value of 7.5.

Which versions of Nextcloud Richdocuments are affected by CVE-2021-37628?

Nextcloud Richdocuments versions up to and excluding 3.8.4, as well as versions between 4.0.0 and excluding 4.2.1, are affected by CVE-2021-37628.

How can the vulnerability in Nextcloud Richdocuments be fixed?

To fix the vulnerability in Nextcloud Richdocuments, it is recommended to update to a version beyond 4.2.1 or apply the necessary patches provided by Nextcloud.

Vulnerability/
CVE-2021-37628

high

7.5

CWE

639

7/9/2021

4/8/2024

CVE-2021-37628: File Drop can be bypassed using Richdocuments app in nextcloud

First published: Tue Sep 07 2021(Updated: )

Nextcloud Richdocuments is an open source collaborative office suite. In affected versions the File Drop features ("Upload Only" public link shares in Nextcloud) can be bypassed using the Nextcloud Richdocuments app. An attacker was able to read arbitrary files in such a share. It is recommended that the Nextcloud Richdocuments is upgraded to 3.8.4 or 4.2.1. If upgrading is not possible then it is recommended to disable the Richdocuments application.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Nextcloud Richdocuments	<3.8.4
Nextcloud Richdocuments	>=4.0.0<4.2.1

Remedy

https://github.com/nextcloud/richdocuments/pull/1664

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2021-37628?
CVE-2021-37628 is a vulnerability in Nextcloud Richdocuments, an open source collaborative office suite, that allows bypassing of the File Drop feature, potentially enabling an attacker to read arbitrary files in a public link share.
How does the vulnerability in Nextcloud Richdocuments work?
The vulnerability in Nextcloud Richdocuments allows an attacker to bypass the File Drop feature and read arbitrary files in a public link share.
What is the severity of CVE-2021-37628?
The severity of CVE-2021-37628 is classified as high, with a severity value of 7.5.
Which versions of Nextcloud Richdocuments are affected by CVE-2021-37628?
Nextcloud Richdocuments versions up to and excluding 3.8.4, as well as versions between 4.0.0 and excluding 4.2.1, are affected by CVE-2021-37628.
How can the vulnerability in Nextcloud Richdocuments be fixed?
To fix the vulnerability in Nextcloud Richdocuments, it is recommended to update to a version beyond 4.2.1 or apply the necessary patches provided by Nextcloud.

collector/nvd-index
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/remedy
agent/last-modified-date
agent/weakness
agent/author
agent/severity
agent/references
agent/title
agent/tags
agent/description
agent/first-publish-date
agent/event
vendor/nextcloud
canonical/nextcloud richdocuments
version/nextcloud richdocuments/4.0.0

Company

Resources

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.