CVE-2018-19945

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.

CVSS v3 9.1 CRITICAL
CVSS v2.0 8.5 HIGH

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:C

Exploitability : 10.0 / Impact : 7.8

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact COMPLETE

References

Link	Resource
https://www.qnap.com/zh-tw/security-advisory/qsa-20-21	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:qnap:qts::::::::
	cpe:2.3:o:qnap:qts::::::::

History

06 Jan 2021, 21:19

Type	Values Removed	Values Added
CPE		cpe:2.3:o:qnap:qts::::::::
CWE		CWE-22
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 8.5 v3 : 9.1
References	~~(MISC) https://www.qnap.com/zh-tw/security-advisory/qsa-20-21 -~~	(MISC) https://www.qnap.com/zh-tw/security-advisory/qsa-20-21 - Vendor Advisory

31 Dec 2020, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2020-12-31 17:15

Updated : 2023-12-10 13:41

NVD link : CVE-2018-19945

Mitre link : CVE-2018-19945

CVE.ORG link : CVE-2018-19945

JSON object : View

Products Affected

qnap

qts

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-20

Improper Input Validation

CWE-284

Improper Access Control

CWE-73

External Control of File Name or Path

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