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CVE-2020-15568

CRITICAL
9.8
CVSS Score
Published: January 30, 2021 at 04:59 AM UTC
Updated: June 17, 2026 at 02:56 AM UTC
1 product affected across 1 vendorTos

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Severity
CRITICAL9.8
Exploit prediction
EPSS 29%

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.

Affected

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

Tos· Terra Master
95%
v < 4.1.29
Affected range stops below 4.1.29, so it looks safe — our inference, not a vendor statement

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_MISCProductVendor Advisory
Source: [email protected]
https://help.terra-master.com/TOS/view/
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://ssd-disclosure.com/ssd-advisory-terramaster-os-exportuser-php-remote-code-execution/

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-913

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