{"id":"CVE-2019-5645","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-5645","generatedAt":"2026-11-05T02:02:39.130Z","title":"By sending a specially crafted HTTP GET request to a listening Rapid7 Metasploit HTTP handler, an attacker can register an arbitrary regular expression.","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.","published":"2020-09-01T15:15:12.000Z","lastModified":"2026-10-23T01:16:53.000Z","status":"Modified","sourceIdentifier":"cve@rapid7.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":["rapid7/metasploit"],"epss":{"score":0.49181,"percentile":0.98887,"date":"2026-11-03","history":[{"date":"2026-10-23","score":0.49181,"percentile":0.98885}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 49.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-23T00:00:00.000Z","detail":{"to":0.49181,"from":0.41688,"percentile":0.98885},"summary":"EPSS moved from 41.7% to 49.2% probability of exploitation in the next thirty days."}],"references":[{"url":"https://github.com/rapid7/metasploit-framework/commit/5621d200ccf62e4a8f0dad80c1c74f4e0e52d86b","source":"cve@rapid7.com"},{"url":"https://github.com/rapid7/metasploit-framework/pull/11966","source":"cve@rapid7.com"},{"url":"https://github.com/rapid7/metasploit-framework/pull/12433","tags":["Patch","Third Party Advisory"],"source":"cve@rapid7.com"},{"url":"https://github.com/rapid7/metasploit-framework/pull/12433","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-5645","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}