CVE-2020-28185 json
User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to identify valid users within the syst…
published 2020-12-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20670
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 18.3%
- EPSS 18.3% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Exploit prediction
18.25% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template TerraMaster TOS < 4.2.06 - User Enumeration nuclei detection template
- ihteam.net https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
References
-
ihteam.net
/advisory/terramaster-tos-multiple-vulnerabilities/
exploit, third-party-advisory
-
terra-master.com
/
vendor-advisory
Sources
- CVE List CVE-2020-28185
- NVD CVE-2020-28185
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