CVE-2020-28187

9.8 criticalEPSS 16%

Critical (9.8) in terra-master tos. EPSS 16% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 16% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2020-12-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

terra-master:tos

References

https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/
https://www.terra-master.com/
https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/
https://www.terra-master.com/

Check your stack JSON