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CVE-2019-5739

7.5 · HIGH

Keep-alive HTTP and HTTPS connections can remain open and inactive for up to 2 minutes in Node.js 6.16.0 and earlier.

Published Mar 28, 2019CWE-400EPSS 4.93%

Overview

CVE-2019-5739 is a high-severity vulnerability. It was published on March 28, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Keep-alive HTTP and HTTPS connections can remain open and inactive for up to 2 minutes in Node.js 6.16.0 and earlier. Node.js 8.0.0 introduced a dedicated server.keepAliveTimeout which defaults to 5 seconds. The behavior in Node.js 6.16.0 and earlier is a potential Denial of Service (DoS) attack vector. Node.js 6.17.0 introduces server.keepAliveTimeout and the 5-second default.

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

Reflists.opensuse.org/opensuse-security-announce/2019-03/msg00041.htmlReflists.opensuse.org/opensuse-security-announce/2019-04/msg00046.htmlRefnodejs.org/en/blog/vulnerability/february-2019-security-releases/Refsecurity.gentoo.org/glsa/202003-48Refsecurity.netapp.com/advisory/ntap-20190502-0008/Reflists.opensuse.org/opensuse-security-announce/2019-03/msg00041.htmlReflists.opensuse.org/opensuse-security-announce/2019-04/msg00046.htmlRefnodejs.org/en/blog/vulnerability/february-2019-security-releases/Refsecurity.gentoo.org/glsa/202003-48Refsecurity.netapp.com/advisory/ntap-20190502-0008/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-5739?

CVE-2019-5739 is a high-severity vulnerability. It was published on March 28, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2019-5739?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-5739?

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-2019-5739?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-5739 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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