CVE-2020-28185
User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated...
User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to identify valid users within the system via the username parameter to wizard/initialise.php.
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
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to identify valid users within the system via the username parameter to wizard/initialise.php.
- Record
CVE-2020-28185- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to identify valid users within the system via the username parameter to wizard/initialise.php.
- Record
CVE-2020-28185- Updated
- 2026-11-02
EUVDEUVD-2020-20670 No score
User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to identify valid users within the system via the username parameter to wizard/initialise.php.
- Record
EUVD-2020-20670- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mfw8-gqh6-9gr8 No score
User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated...
User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to identify valid users within the system via the username parameter to wizard/initialise.php.
- Record
GHSA-mfw8-gqh6-9gr8- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | TerraMaster TOS < 4.2.06 - User Enumeration |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-28185 is a medium vulnerability (CVSS 5.3) in Terra-master Tos, published December 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 18.3%, the 97th percentile. No source names a fixed version.