Resource exhaustion in Rapid7 Metasploit

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.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.417 (98.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-5645: held from 0.417 to 0.417.

EPSS over last 30 days · oldest: 0.417 · newest: 0.417 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-5645?
CVE-2019-5645 is a high-severity vulnerability in Rapid7 Metasploit, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-09-01.
How severe is CVE-2019-5645?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-5645 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.