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CVE-2018-13415
CRITICAL
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.
Published: Aug 13, 2018
Modified: Jun 17, 2026
CWE-611
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| plex | media_server | 1.13.2.5154 |
GitHub Security Advisory GHSA-98rp-qwvr-j7cp
In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is...
References (4)
- http://seclists.org/fulldisclosure/2018/Aug/1 Exploit, Mailing List, Technical Description, Third Party Advisory
- https://www.exploit-db.com/exploits/45146/ Exploit, Technical Description, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Aug/1 Exploit, Mailing List, Technical Description, Third Party Advisory
- https://www.exploit-db.com/exploits/45146/ Exploit, Technical Description, Third Party Advisory, VDB Entry
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
31.81%
Top 2% most likely to be exploited
Threat Score
48.7 / 100
Data Sources
NVD
EPSS
GitHub