What is CVE-2021-33516?

CVE-2021-33516 is a vulnerability in GUPnP library that allows DNS rebinding, enabling a remote web server to trick a victim's browser into triggering actions against local UPnP services.

What is the severity of CVE-2021-33516?

The severity of CVE-2021-33516 is high, with a CVSS score of 8.1.

Which versions of GUPnP are affected by CVE-2021-33516?

GUPnP versions before 1.0.7, 1.1.x, and 1.2.x before 1.2.5 are affected by CVE-2021-33516.

Vulnerability/
CVE-2021-33516

high

8.1

24/5/2021

3/8/2024

CVE-2021-33516

Q: How can a remote web server exploit CVE-2021-33516?

A remote web server can exploit CVE-2021-33516 to trick a victim's browser into triggering actions against local UPnP services implemented using the GUPnP library.

Q: Where can I find more information about CVE-2021-33516?

More information about CVE-2021-33516 can be found at the following references: - [Discourse GNOME](https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-2021-33516/6536) - [GitLab GNOME](https://gitlab.gnome.org/GNOME/gupnp/-/issues/24)

First published: Mon May 24 2021(Updated: )

An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim's browser into triggering actions against local UPnP services implemented using this library. Depending on the affected service, this could be used for data exfiltration, data tempering, etc.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Gnome Gupnp	<1.0.7
Gnome Gupnp	>=1.1.0<1.2.5

Remedy

https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-2021-33516/6536

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2021-33516?
CVE-2021-33516 is a vulnerability in GUPnP library that allows DNS rebinding, enabling a remote web server to trick a victim's browser into triggering actions against local UPnP services.
What is the severity of CVE-2021-33516?
The severity of CVE-2021-33516 is high, with a CVSS score of 8.1.
Which versions of GUPnP are affected by CVE-2021-33516?
GUPnP versions before 1.0.7, 1.1.x, and 1.2.x before 1.2.5 are affected by CVE-2021-33516.
How can a remote web server exploit CVE-2021-33516?
A remote web server can exploit CVE-2021-33516 to trick a victim's browser into triggering actions against local UPnP services implemented using the GUPnP library.
Where can I find more information about CVE-2021-33516?
More information about CVE-2021-33516 can be found at the following references: - [Discourse GNOME](https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-2021-33516/6536) - [GitLab GNOME](https://gitlab.gnome.org/GNOME/gupnp/-/issues/24)

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/author
agent/severity
agent/remedy
agent/last-modified-date
agent/tags
agent/description
agent/first-publish-date
agent/event
agent/source
vendor/gnome
canonical/gnome gupnp
version/gnome gupnp/1.1.0

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.