CVE-2020-28188 in the critical feed json
Remote Command Execution (RCE) vulnerability in TerraMaster TOS <= 4.2.06 allow remote unauthenticated attackers to inject OS commands via…
published 2020-12-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20673
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 96.5%
- EPSS 96.5% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 1
- Metasploit, plus a Nuclei check
Summary
Remote Command Execution (RCE) vulnerability in TerraMaster TOS <= 4.2.06 allow remote unauthenticated attackers to inject OS commands via /include/makecvs.php in Event parameter.
Timeline
- First public exploit (Metasploit exploit/linux/http/terramaster_unauth_rce_cve_2020_35665)
- Published
Exploit prediction
96.45% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/linux/http/terramaster_unauth_rce_cve_2020_35665 TerraMaster TOS 4.2.06 or lower - Unauthenticated Remote Code Execution metasploit exploit, excellent rank, 2020-12-12
- Nuclei template TerraMaster TOS - Unauthenticated Remote Command Execution nuclei detection template
- ihteam.net https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
- research.checkpoint.com https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
ihteam.net
/advisory/terramaster-tos-multiple-vulnerabilities/
exploit, third-party-advisory
-
research.checkpoint.com
/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/
exploit, third-party-advisory
-
terra-master.com
/
vendor-advisory
- packetstormsecurity.com /files/172880/TerraMaster-TOS-4.2.06-Remote-Code-Execution.html
Sources
- CVE List CVE-2020-28188
- NVD CVE-2020-28188
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