CVE-2020-35665 in the critical feed json
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via shell metacharacters in the Event parameter…
published 5y ago modified 4mo ago also EUVD-2020-23327
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 78.5%
- EPSS 78.5% chance of exploitation in 30 days, percentile 99.5%
- public exploits
- 2
- Metasploit and Exploit-DB
Summary
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.
Is CVE-2020-35665 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerTimeline
- First public exploit (Metasploit exploit/linux/http/terramaster_unauth_rce_cve_2020_35665)
- Published
Exploit prediction
78.48% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).
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
- EDB-49330 TerraMaster TOS 4.2.06 - Unauthenticated Remote Code Execution (Metasploit) webapps, 2020-12-23
- pentest.com.tr https://www.pentest.com.tr/exploits/TerraMaster-TOS-4-2-06-Unauthenticated-Remote-Code-Execution.html 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
-
exploit-db.com
/exploits/49330
exploit, third-party-advisory, vdb-entry
-
pentest.com.tr
/exploits/TerraMaster-TOS-4-2-06-Unauthenticated-Remote-Code-Execution.html
exploit, third-party-advisory
- packetstormsecurity.com /files/172880/TerraMaster-TOS-4.2.06-Remote-Code-Execution.html
Sources
- CVE List CVE-2020-35665
- NVD CVE-2020-35665
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.