What is CVE-2018-19945?

CVE-2018-19945 is a vulnerability that affects earlier QNAP devices running QTS 4.3.4 to 4.3.6.

What is the severity of CVE-2018-19945?

CVE-2018-19945 has a severity level of 9.1 (Critical).

Has QNAP fixed CVE-2018-19945?

Yes, QNAP has already fixed CVE-2018-19945.

Where can I find more information about CVE-2018-19945?

You can find more information about CVE-2018-19945 at the following link: [https://www.qnap.com/zh-tw/security-advisory/qsa-20-21](https://www.qnap.com/zh-tw/security-advisory/qsa-20-21)

Vulnerability/
CVE-2018-19945

critical

9.1

CWE

22 20 284 73

31/12/2020

17/9/2024

CVE-2018-19945: Improper Limitation of a Pathname to a Restricted Directory in QTS

Q: How does CVE-2018-19945 affect QNAP devices?

CVE-2018-19945 allows for renaming arbitrary files on the target system if exploited.

First published: Thu Dec 31 2020(Updated: )

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.

Credit: security@qnapsecurity.com.tw

Affected Software	Affected Version	How to fix
QNAP QTS	>=4.3.4<4.3.4.0899
QNAP QTS	>=4.3.5<4.3.6.0895

Remedy

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.

Never miss a vulnerability like this again

Reference Links

https://www.qnap.com/zh-tw/security-advisory/qsa-20-21

Frequently Asked Questions

What is CVE-2018-19945?
CVE-2018-19945 is a vulnerability that affects earlier QNAP devices running QTS 4.3.4 to 4.3.6.
What is the severity of CVE-2018-19945?
CVE-2018-19945 has a severity level of 9.1 (Critical).
How does CVE-2018-19945 affect QNAP devices?
CVE-2018-19945 allows for renaming arbitrary files on the target system if exploited.
Has QNAP fixed CVE-2018-19945?
Yes, QNAP has already fixed CVE-2018-19945.
Where can I find more information about CVE-2018-19945?
You can find more information about CVE-2018-19945 at the following link: [https://www.qnap.com/zh-tw/security-advisory/qsa-20-21](https://www.qnap.com/zh-tw/security-advisory/qsa-20-21)

collector/nvd-index
agent/weakness
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/remedy
agent/severity
agent/author
agent/title
agent/last-modified-date
agent/references
agent/first-publish-date
agent/tags
agent/description
agent/event
vendor/qnap
canonical/qnap qts
version/qnap qts/4.3.4
version/qnap qts/4.3.5

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.