CVE-2021-41176: logout CSRF in Pterodactyl Panel

Published Oct 25, 2021
·
Updated

Impact A malicious user can trigger a user logout if a signed in user visits a malicious website that makes a request to the Panel's sign-out endpoint. This requires a targeted attack against a specific Panel instance, and serves only to sign a user out. No user details are leaked, nor is any user data affected, this is simply an annoyance at worst.

Patches None.

Workarounds None.

For more information If you have any questions or comments about this advisory please contact Tactical Fish#8008 on Discord, or email dane@pterodactyl.io.

Other sources

Pterodactyl is an open-source game server management panel built with PHP 7, React, and Go. In affected versions of Pterodactyl a malicious user can trigger a user logout if a signed in user visits a malicious website that makes a request to the Panel's sign-out endpoint. This requires a targeted attack against a specific Panel instance, and serves only to sign a user out. No user details are leaked, nor is any user data affected, this is simply an annoyance at worst. This is fixed in version 1.6.3.

Affected Software

2 affected componentsFixes available
composer/pterodactyl/panel>=1.0.0<1.6.3
1.6.3
pterodactyl panel<1.6.3

Event History

Oct 25, 2021
CVE Published
via MITRE·04:50 PM
Data Sourced
via MITRE·04:50 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Advisory Published
07:42 PM

Frequently Asked Questions

1

What is CVE-2021-41176?

CVE-2021-41176 is a vulnerability in Pterodactyl, an open-source game server management panel, that allows a malicious user to trigger a user logout if a signed-in user visits a malicious website.

2

How does CVE-2021-41176 impact the affected software?

The vulnerability requires a targeted attack against a specific Panel instance and serves only to sign a user out, without leaking any user details or compromising the system.

3

Which software versions are affected by CVE-2021-41176?

Pterodactyl Panel versions up to and excluding 1.6.3 are affected by CVE-2021-41176.

4

What is the severity of CVE-2021-41176?

The severity of CVE-2021-41176 is medium, with a CVSS severity score of 4.3.

5

How can I fix CVE-2021-41176?

To fix CVE-2021-41176, upgrade your Pterodactyl Panel installation to version 1.6.3 or apply the recommended security patch.

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