CVE-2018-19945
9.1 · CRITICALOverview
CVE-2018-19945 is a critical-severity vulnerability affecting qnap qts. It was published on December 31, 2020 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from qnap. Update qts to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| qnap | qts | >= 4.3.4, < 4.3.4.0899 | Affected |
Frequently Asked Questions
What is CVE-2018-19945?
CVE-2018-19945 is a critical-severity vulnerability affecting qnap qts. It was published on December 31, 2020 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2018-19945?
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-19945?
Check the references section for vendor advisories and patches from qnap. Update qts to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-19945?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-19945 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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