RCE in Terra-Master Terramaster Operating System
CVE-2020-35665
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.785 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.785 · newest: 0.785 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.pentest.com.tr/exploits/TerraMaster-TOS-4-2-06-Unauthenticated-Remote-Code-… (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/49330 (Exploit, VDB Entry, Third Party Advisory, exploit)
- packetstormsecurity.com/files/172880/TerraMaster-TOS-4.2.06-Remote-Code-Executi…
Frequently asked questions
- What is CVE-2020-35665?
- CVE-2020-35665 is a critical-severity vulnerability in Terra-Master Terramaster Operating System, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-12-23.
- How severe is CVE-2020-35665?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-35665 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.