What is the severity of CVE-2019-15621?

CVE-2019-15621 has a medium severity level due to improper permissions allowing unauthorized reshare capabilities.

How do I fix CVE-2019-15621?

To fix CVE-2019-15621, upgrade your Nextcloud Server to version 16.0.2 or later.

What are the affected versions in CVE-2019-15621?

CVE-2019-15621 affects Nextcloud Server versions prior to 16.0.2, as well as versions 15.0.0 to 15.0.9 and 14.0.13 and earlier.

What type of vulnerability is CVE-2019-15621?

CVE-2019-15621 is classified as an improper permissions vulnerability.

Who is impacted by CVE-2019-15621?

Users of Nextcloud Server versions that are prior to the patched releases are impacted by CVE-2019-15621.

Vulnerability/
CVE-2019-15621

medium

6.5

CWE

281

4/2/2020

5/8/2024

CVE-2019-15621

First published: Tue Feb 04 2020(Updated: )

Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.

Credit: support@hackerone.com

Affected Software	Affected Version	How to fix
Nextcloud Nextcloud Server	<14.0.13
Nextcloud Nextcloud Server	>=15.0.0<15.0.9
Nextcloud Nextcloud Server	>=16.0.0<16.0.2

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2019-15621?
CVE-2019-15621 has a medium severity level due to improper permissions allowing unauthorized reshare capabilities.
How do I fix CVE-2019-15621?
To fix CVE-2019-15621, upgrade your Nextcloud Server to version 16.0.2 or later.
What are the affected versions in CVE-2019-15621?
CVE-2019-15621 affects Nextcloud Server versions prior to 16.0.2, as well as versions 15.0.0 to 15.0.9 and 14.0.13 and earlier.
What type of vulnerability is CVE-2019-15621?
CVE-2019-15621 is classified as an improper permissions vulnerability.
Who is impacted by CVE-2019-15621?
Users of Nextcloud Server versions that are prior to the patched releases are impacted by CVE-2019-15621.

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/author
agent/weakness
agent/severity
agent/description
agent/first-publish-date
agent/event
agent/tags
agent/source
vendor/nextcloud
canonical/nextcloud nextcloud server
version/nextcloud nextcloud server/15.0.0
version/nextcloud nextcloud server/16.0.0

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.

Frequently Asked Questions

What is the severity of CVE-2019-15621?
CVE-2019-15621 has a medium severity level due to improper permissions allowing unauthorized reshare capabilities.
How do I fix CVE-2019-15621?
To fix CVE-2019-15621, upgrade your Nextcloud Server to version 16.0.2 or later.
What are the affected versions in CVE-2019-15621?
CVE-2019-15621 affects Nextcloud Server versions prior to 16.0.2, as well as versions 15.0.0 to 15.0.9 and 14.0.13 and earlier.
What type of vulnerability is CVE-2019-15621?
CVE-2019-15621 is classified as an improper permissions vulnerability.
Who is impacted by CVE-2019-15621?
Users of Nextcloud Server versions that are prior to the patched releases are impacted by CVE-2019-15621.