CVE-2018-13356
Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to...
Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to elevate user permissions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to elevate user permissions.
- Record
CVE-2018-13356- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to elevate user permissions.
- Record
CVE-2018-13356- Updated
- 2026-11-02
EUVDEUVD-2018-5300 No score
Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to elevate user permissions.
- Record
EUVD-2018-5300- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fh7x-6jjx-229g
Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to...
Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to elevate user permissions.
- Record
GHSA-fh7x-6jjx-229g- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- 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-2018-13356 is a high vulnerability (CVSS 8.8) 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 2.01%, the 80th percentile. No source names a fixed version.