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CVE-2018-19943

8.0 · HIGHActively Exploited

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code.

Published Oct 28, 2020CWE-79EPSS 21.48%

Overview

CVE-2018-19943 is a high-severity vulnerability. It was published on October 28, 2020 and has a CVSS 3.1 base score of 8.0 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refwww.qnap.com/zh-tw/security-advisory/qsa-20-01Refwww.qnap.com/zh-tw/security-advisory/qsa-20-01CISAwww.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19943

How CyberStrike helps

Frequently asked questions

What is CVE-2018-19943?

CVE-2018-19943 is a high-severity vulnerability. It was published on October 28, 2020 and has a CVSS 3.1 base score of 8.0 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2018-19943?

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-19943?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2018-19943?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-19943 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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