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CVE-2019-5631

7.8 · HIGH

The Rapid7 InsightAppSec broker suffers from a DLL injection vulnerability in the 'prunsrv.exe' component of the product.

Published Aug 19, 2019CWE-427EPSS 1.06%

Overview

CVE-2019-5631 is a high-severity vulnerability. It was published on August 19, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The Rapid7 InsightAppSec broker suffers from a DLL injection vulnerability in the 'prunsrv.exe' component of the product. If exploited, a local user of the system (who must already be authenticated to the operating system) can elevate their privileges with this vulnerability to the privilege level of InsightAppSec (usually, SYSTEM). This issue affects version 2019.06.24 and prior versions of the product.

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

Refhelp.rapid7.com/insightappsec/release-notes/archive/2019/07/Refhelp.rapid7.com/insightappsec/release-notes/archive/2019/07/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-5631?

CVE-2019-5631 is a high-severity vulnerability. It was published on August 19, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2019-5631?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-5631?

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-2019-5631?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-5631 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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