Path Traversal in Terra-Master Tos
CVE-2020-28187
Multiple directory traversal vulnerabilities in TerraMaster TOS <= 4.2.06 allow remote authenticated attackers to read, edit or delete any file within the filesystem via the (1) filename parameter to /tos/index.php?editor/fileGet, Event parameter to /include/ajax/logtable.php, or opt parameter to /include/core/index.php.
Vulnerability class: Path Traversal (Directory Traversal)
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: 0.164 (96.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.164 · newest: 0.164 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.terra-master.com/ (Vendor Advisory)
- www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-28187?
- CVE-2020-28187 is a critical-severity vulnerability in Terra-Master Tos, classified under Path Traversal. CVSS score: 9.8/10. Published 2020-12-24.
- How severe is CVE-2020-28187?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-28187 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.