CVE-2020-15568
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root...
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.
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
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.
- Record
CVE-2020-15568- CVSS 3.1
- 9.8 Critical
CVSS:3.1/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-913
- Updated
- 2026-11-02
CVE List No score
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.
- Record
CVE-2020-15568- Updated
- 2026-11-02
EUVDEUVD-2020-7555 No score
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.
- Record
EUVD-2020-7555- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j542-2x58-5jg4 No score
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root...
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.
- Record
GHSA-j542-2x58-5jg4- Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | TerraMaster TOS <.1.29 - Remote Code Execution | |
| PoC in GitHub | divinepwner/TerraMaster-TOS-CVE-2020-15568 | 2023-02-21 |
| PoC in GitHub | n0bugz/CVE-2020-15568 | 2022-10-22 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15568 is a critical vulnerability (CVSS 9.8) in Terra-master Tos, published January 30, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 29.2%, the 98th percentile. No source names a fixed version.