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Vulnerability record · CVE-2018-13361 · published 27 November 2018

CVE-2018-13361: Terra-master terramaster operating system improper input validation vulnerability

Terra Master · Terramaster Operating System

User enumeration in usertable.php in TerraMaster TOS version 3.1.03 allows attackers to list all system users via the "modgroup" parameter.

5.3 CVSS 3.0 Medium EPSS 17% · top 3.0% CWE-20 · Improper input validation
5.3CVSS 3.0 base score, v2 5.0
17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

User enumeration in usertable.php in TerraMaster TOS version 3.1.03 allows attackers to list all system users via the "modgroup" parameter.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.securityevaluators.com/vulnerabilities-in-terramaster-tos-3-1-03-fb99cf88b86a ExploitThird Party Advisory
https://blog.securityevaluators.com/vulnerabilities-in-terramaster-tos-3-1-03-fb99cf88b86a ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-13361), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.