{"id":"CVE-2018-13415","aliases":["EUVD-2018-5358","GHSA-98rp-qwvr-j7cp"],"status":"published","title":"In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is...","description":"In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack. Remote, unauthenticated attackers can use this vulnerability to: (1) Access arbitrary files from the filesystem with the same permission as the user account running Plex, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack to cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.31457,"percentile":0.98295,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-611"],"published":"2018-08-13T17:00:00Z","modified":"2026-06-17T01:39:22Z","exploits":[{"source":"exploitdb","id":"EDB-45146","title":"Plex Media Server 1.13.2.5154 - SSDP Processing XML External Entity Injection","type":"webapps","platform":"xml","date":"2018-08-03","url":"https://www.exploit-db.com/exploits/45146"}],"products":[{"vendor":"plex","product":"media_server"}],"references":[{"url":"https://www.exploit-db.com/exploits/45146/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Technical Description","Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2018/Aug/1","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","Mailing List","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-13415"},{"url":"https://github.com/advisories/GHSA-98rp-qwvr-j7cp"}],"sources":{"cve":[{"id":"CVE-2018-13415","description":"In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack. Remote, unauthenticated attackers can use this vulnerability to: (1) Access arbitrary files from the filesystem with the same permission as the user account running Plex, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack to cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.","status":"published","published":"2018-08-13T17:00:00Z","modified":"2024-08-05T09:00:35.153Z","updated_at":"2026-11-02T14:35:07.354449Z"}],"euvd":[{"id":"EUVD-2018-5358","description":"In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack. Remote, unauthenticated attackers can use this vulnerability to: (1) Access arbitrary files from the filesystem with the same permission as the user account running Plex, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack to cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.","status":"published","published":"2018-08-13T17:00:00Z","modified":"2024-08-05T09:00:35Z","updated_at":"2026-11-03T02:39:50.070155Z"}],"ghsa":[{"id":"GHSA-98rp-qwvr-j7cp","title":"In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is...","description":"In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack. Remote, unauthenticated attackers can use this vulnerability to: (1) Access arbitrary files from the filesystem with the same permission as the user account running Plex, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack to cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.","status":"published","published":"2022-05-14T02:20:31Z","modified":"2023-02-02T05:05:59Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:52:13.176189Z"}],"nvd":[{"id":"CVE-2018-13415","description":"In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack. Remote, unauthenticated attackers can use this vulnerability to: (1) Access arbitrary files from the filesystem with the same permission as the user account running Plex, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack to cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.","status":"published","published":"2018-08-13T17:29:00.983Z","modified":"2026-06-17T01:39:22.643Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:04:35.310988Z"}]}}