CVE-2018-13338
System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-13338- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-13338- Updated
- 2026-11-02
EUVDEUVD-2018-5286 No score
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.
- Record
EUVD-2018-5286- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qgmv-c6q2-fvh6
System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to...
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.
- Record
GHSA-qgmv-c6q2-fvh6- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-13338 is a critical vulnerability (CVSS 9.8) in Terra-master Terramaster Operating System, published November 27, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.2%, the 95th percentile. No source names a fixed version.