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Vulnerability record · CVE-2019-5645 · published 1 September 2020

CVE-2019-5645: Rapid7 metasploit uncontrolled resource consumption vulnerability

Rapid7 · Metasploit

By sending a specially crafted HTTP GET request to a listening Rapid7 Metasploit HTTP handler, an attacker can register an arbitrary regular expression. When evaluated, this malicious handler can either prevent new HTTP handler sessions from being established, or cause a resource exhaustion on the Metasploit server.

7.5 CVSS 3.1 High EPSS 42% · top 1.4% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score, v2 5.0
42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

By sending a specially crafted HTTP GET request to a listening Rapid7 Metasploit HTTP handler, an attacker can register an arbitrary regular expression. When evaluated, this malicious handler can either prevent new HTTP handler sessions from being established, or cause a resource exhaustion on the Metasploit server.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/rapid7/metasploit-framework/pull/12433 PatchThird Party Advisory
https://github.com/rapid7/metasploit-framework/pull/12433 PatchThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-5645), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.