What is CVE-2018-13354?

CVE-2018-13354 is a critical-severity vulnerability in Terra-Master Terramaster Operating System, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-11-27.

How severe is CVE-2018-13354?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Terra-Master Terramaster Operating System

CVE-2018-13354

System command injection in logtable.php in TerraMaster TOS version 3.1.03 allows attackers to execute system commands via the "Event" parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2018-11-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.229 (97.7th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.229 · newest: 0.229 · change: 0.000

Affected products

Terra-Master Terramaster Operating System — versions 3.1.03

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

blog.securityevaluators.com/vulnerabilities-in-terramaster-tos-3-1-03-fb99cf88b… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-13354?: CVE-2018-13354 is a critical-severity vulnerability in Terra-Master Terramaster Operating System, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-11-27.
How severe is CVE-2018-13354?: Critical severity. CVSS v3 base score is 9.8 out of 10.