CWE
522
Advisory Published
Updated

CVE-2018-21031

First published: Mon Nov 18 2019(Updated: )

Tautulli versions 2.1.38 and below allows remote attackers to bypass intended access control in Plex Media Server because the X-Plex-Token is mishandled and can be retrieved from Tautulli. NOTE: Initially, this id was associated with Plex Media Server 1.18.2.2029-36236cc4c as the affected product and version. Further research indicated that Tautulli is the correct affected product.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Plex Media Server=1.18.2.2029-36236cc4c

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2018-21031?

    The severity of CVE-2018-21031 is medium with a severity value of 6.5.

  • How can remote attackers exploit CVE-2018-21031?

    Remote attackers can exploit CVE-2018-21031 by bypassing intended access control in Plex Media Server.

  • What can be retrieved from Tautulli in CVE-2018-21031?

    The X-Plex-Token can be retrieved from Tautulli in CVE-2018-21031.

  • Which version of Tautulli is affected by CVE-2018-21031?

    Tautulli versions 2.1.38 and below are affected by CVE-2018-21031.

  • Are there any references available for CVE-2018-21031?

    Yes, you can find references for CVE-2018-21031 at the following links: [1](https://forums.plex.tv/t/security-regarding-cve-2018-21031/493286), [2](https://twitter.com/GerardFuguet/status/1009937529573912576), [3](https://www.elladodelmal.com/2018/08/shodan-es-de-cine-hacking-tautulli-un.html).

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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203