Attacker Value
Unknown
(1 user assessed)
Exploitability
Unknown
(1 user assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
1

CVE-2020-15568

Disclosure Date: January 30, 2021
Exploited in the Wild
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.

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1
Technical Analysis

This is now being exploited in the wild by the Necro botnet as was reported at https://securityaffairs.co/wordpress/123275/cyber-crime/necro-botnet-dvrs.html

CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • terra-master

Products

  • tos

Additional Info

Technical Analysis