CVE-2018-19945

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-20CWE-22CWE-73CWE-284

Affected software

VendorProductVersions
QNAP Systems Inc.QTS>= unspecified, < 4.3.6.0895
QNAP Systems Inc.QTS>= unspecified, < 4.3.4.0899
QNAP Systems Inc.QTS—

References

Timeline

Published
Dec 31, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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