CVE-2020-35665
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via...
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via shell metacharacters in the Event parameter in include/makecvs.php during CSV 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
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via shell metacharacters in the Event parameter in include/makecvs.php during CSV creation.
- Record
CVE-2020-35665- 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-78
- Updated
- 2026-11-02
CVE List No score
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via shell metacharacters in the Event parameter in include/makecvs.php during CSV creation.
- Record
CVE-2020-35665- Updated
- 2026-11-02
EUVDEUVD-2020-23327 No score
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via shell metacharacters in the Event parameter in include/makecvs.php during CSV creation.
- Record
EUVD-2020-23327- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wf5j-wf7x-99jg
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via...
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via shell metacharacters in the Event parameter in include/makecvs.php during CSV creation.
- Record
GHSA-wf5j-wf7x-99jg- 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 - Weakness
- CWE-78, CWE-434
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | TerraMaster TOS 4.2.06 - Unauthenticated Remote Code Execution (Metasploit) | 2020-12-23 |
| Metasploit | TerraMaster TOS 4.2.06 or lower - Unauthenticated Remote Code Execution | 2020-12-12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-35665 is a critical vulnerability (CVSS 9.8) in Terra-master Terramaster Operating System, published December 23, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 78.5%, the 99th percentile. No source names a fixed version.