CVE-2018-13416 EXPLOIT
9.8
CRITICAL · CVSS 3.0 · EPSS 20.2% (pctl 97)
Patch early
A public exploit exists.
Description
In Universal Media Server (UMS) 7.1.0, 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 UMS, (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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 20.19% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-611 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-08-03 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| spirton | universal media server |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Universal Media Server 7.1.0 - SSDP Processing XML External Entity Injection | 2018-08-02 |
References
→ the Explorer · watch your stack · NVD