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QNAP QTS Directory Traversal Vulnerability (QSA-21-14)
Information
Severity
Severity
Critical
Family
Family
Web application abuses
CVSSv2 Base
CVSSv2 Base
9.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:S/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
QNAP QTS is prone to a directory traversal vulnerability.
Insight
Insight
A relative path traversal vulnerability has been reported to affect QNAP NAS running QTS. If exploited, this vulnerability allows attackers to modify files that impact system integrity.
Affected Software
Affected Software
QNAP NAS QTS prior version 4.3.3.1624 Build 20210416, 4.3.6.1663 Build 20210504 and 4.5.2.1630 Build 20210406.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 4.3.3.1624 Build 20210416, 4.3.6.1663 Build 20210504, 4.5.2.1630 Build 20210406 or later.