{"id":"CVE-2018-21031","aliases":["EUVD-2018-13552","GHSA-9qh9-xp4m-mxph"],"status":"published","title":"Plex Media Server 1.18.2.2029-36236cc4c allows remote attackers to bypass intended access control...","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02059,"percentile":0.8146,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2019-11-18T16:30:56Z","modified":"2026-06-17T01:53:59Z","products":[{"vendor":"plex","product":"media_server"}],"references":[{"url":"https://twitter.com/GerardFuguet/status/1009937529573912576","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.elladodelmal.com/2018/08/shodan-es-de-cine-hacking-tautulli-un.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://forums.plex.tv/t/security-regarding-cve-2018-21031/493286","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.exploit-db.com/docs/47790","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-21031"},{"url":"https://github.com/advisories/GHSA-9qh9-xp4m-mxph"}],"sources":{"cve":[{"id":"CVE-2018-21031","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.","status":"published","published":"2019-11-18T16:30:56Z","modified":"2024-08-05T12:19:27.55Z","updated_at":"2026-11-02T14:35:02.289647Z"}],"euvd":[{"id":"EUVD-2018-13552","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.","status":"published","published":"2019-11-18T16:30:56Z","modified":"2024-08-05T12:19:27Z","updated_at":"2026-11-03T02:39:28.765449Z"}],"ghsa":[{"id":"GHSA-9qh9-xp4m-mxph","title":"Plex Media Server 1.18.2.2029-36236cc4c allows remote attackers to bypass intended access control...","description":"Plex Media Server 1.18.2.2029-36236cc4c allows remote attackers to bypass intended access control because X-Plex-Token is mishandled, and can be retrieved from Tautulli.","status":"published","published":"2022-05-24T17:01:25Z","modified":"2023-01-28T05:07:30Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:44:32.070856Z"}],"nvd":[{"id":"CVE-2018-21031","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.","status":"published","published":"2019-11-18T17:15:10.847Z","modified":"2026-06-17T01:53:59.677Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:04:59.278647Z"}]}}