CVE-2021-4007

Rapid7 Insight Agent, versions 3.0.1 to 3.1.2.34, suffer from a local privilege escalation due to an uncontrolled DLL search path. Specifically, when Insight Agent versions 3.0.1 to 3.1.2.34 start, the Python interpreter attempts to load python3.dll at "C:\DLLs\python3.dll," which normally is writable by locally authenticated users. Because of this, a malicious local user could use Insight Agent's startup conditions to elevate to SYSTEM privileges. This issue was fixed in Rapid7 Insight Agent 3.1.2.35. This vulnerability is a regression of CVE-2019-5629.

• CWE-427
• CWE-427

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-5629Third Party Advisory
• https://docs.rapid7.com/release-notes/insightagent/20211210/Release Notes, Third Party Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-5629Third Party Advisory
• https://docs.rapid7.com/release-notes/insightagent/20211210/Release Notes, Third Party Advisory

Published

Dec 14, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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