CVE-2018-21031

MEDIUM

Plex Media Server - Insufficiently Protected Credentials

Title source: rule

Description

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.

References (4)

[Third Party Advisory] https://forums.plex.tv/t/security-regarding-cve-2018-21031/493286

[Third Party Advisory] https://twitter.com/GerardFuguet/status/1009937529573912576

[Exploit, Third Party Advisory] https://www.elladodelmal.com/2018/08/shodan-es-de-cine-hacking-tautulli-un.html

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/docs/47790

Scores

CVSS v3 6.5

EPSS 0.0018

EPSS Percentile 39.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-522

Status published

Affected Products (1)

plex/media_server

Timeline

Published Nov 18, 2019

Tracked Since Feb 18, 2026