← Vulnerability feed

Vulnerability record · CVE-2018-13338 · published 27 November 2018

CVE-2018-13338: Terra-master terramaster operating system os command injection vulnerability

Terra Master · Terramaster Operating System

System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to execute system commands via the "username" parameter during user creation.

9.8 CVSS 3.0 Critical EPSS 10% · top 4.5% CWE-78 · OS command injection
9.8CVSS 3.0 base score, v2 10.0
10%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

System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to execute system commands via the "username" parameter during user creation.

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

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

Track CVE-2018-13338 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

7.5CVE-2022-24990TerraMaster NAS missing authentication exposes admin passwordTerraMaster NAS 4.2.29 and earlier fails to require authentication on module/api.php?mobile/webNasIPS, allowing a remote attacker who sends a 'User-A…KEVEPSS 83%analysed9.8CVE-2022-24989Terra-master terramaster operating system injection vulnerabilityTerraMaster NAS through 4.2.30 allows remote WAN attackers to execute arbitrary code as root via the raidtype and diskstring parameters for PHP Objec…EPSS 32%9.8CVE-2020-35665TerraMaster TOS unauthenticated OS command injection in CSV creationTerraMaster TOS through 4.2.06 passes the Event parameter in include/makecvs.php to a shell without sanitization during CSV creation, allowing OS com…EPSS 78%analysed9.8CVE-2018-13336Terra-master terramaster operating system os command injection vulnerabilitySystem command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to execute system commands via the "pwd" parameter during…EPSS 9.1%9.8CVE-2018-13350Terra-master terramaster operating system sql injection vulnerabilitySQL injection in logtable.php in TerraMaster TOS version 3.1.03 allows attackers to execute SQL queries via the "Event" parameter.EPSS 17%9.8CVE-2018-13354Terra-master terramaster operating system os command injection vulnerabilitySystem command injection in logtable.php in TerraMaster TOS version 3.1.03 allows attackers to execute system commands via the "Event" parameter.EPSS 23%9.8CVE-2017-9328Terra-master terramaster operating system os command injection vulnerabilityShell metacharacter injection vulnerability in /usr/www/include/ajax/GetTest.php in TerraMaster TOS before 3.0.34 leads to remote code execution as r…EPSS 7.4%8.8CVE-2018-13359Terra-master terramaster operating system cross-site scripting vulnerabilityCross-site scripting in usertable.php in TerraMaster TOS version 3.1.03 allows attackers to execute JavaScript via the "modgroup" parameter.EPSS 20%

Source: NIST National Vulnerability Database (record CVE-2018-13338), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.