CVE-2019-5645

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

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

49% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-25)

CWE

CWE-400

Published

2020-09-01

Modified

2026-10-23

Record from

the NVD, synced 2026-10-23

Affected

• rapid7:metasploit

References

• https://github.com/rapid7/metasploit-framework/commit/5621d200ccf62e4a8f0dad80c1c74f4e0e52d86b
• https://github.com/rapid7/metasploit-framework/pull/11966
• https://github.com/rapid7/metasploit-framework/pull/12433
• https://github.com/rapid7/metasploit-framework/pull/12433

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