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CVE-2020-28187

CRITICAL
9.8
CVSS Score
Published: December 24, 2020 at 02:31 PM UTC
Updated: June 17, 2026 at 03:10 AM UTC
1 product affected across 1 vendorTos

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Severity
CRITICAL9.8
Exploit prediction
EPSS 16%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tos· Terra Master
95%
v ≤ 4.2.06

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.terra-master.com/

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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