{"containers": {"cna": {"providerMetadata": {"orgId": "9974b330-7714-4307-a722-5648477acda7", "shortName": "rapid7", "dateUpdated": "2026-10-23T00:10:04.483Z"}, "title": "Rapid7 Metasploit HTTP Handler Denial of Service", "datePublic": "2019-10-09T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "type": "CWE"}]}], "affected": [{"vendor": "Rapid7", "product": "Metasploit Framework", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "5.0.27", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p>"}]}], "references": [{"url": "https://github.com/rapid7/metasploit-framework/commit/5621d200ccf62e4a8f0dad80c1c74f4e0e52d86b", "tags": ["patch"]}, {"url": "https://github.com/rapid7/metasploit-framework/pull/11966", "tags": ["patch"]}, {"url": "https://github.com/rapid7/metasploit-framework/pull/12433", "tags": ["exploit"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "credits": [{"lang": "en", "value": "This issue was reported by Jose Garduno of Dreamlab Technologies, AG", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@rapid7.com", "DATE_PUBLIC": "2019-10-09T14:54:00.000Z", "ID": "CVE-2019-5645", "STATE": "PUBLIC", "TITLE": "Rapid7 Metasploit HTTP Handler Denial of Service"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Metasploit Framework", "version": {"version_data": [{"version_affected": "<=", "version_name": "5.0.27", "version_value": "5.0.27"}]}}]}, "vendor_name": "Rapid7"}]}}, "credit": [{"lang": "eng", "value": "This issue was reported by Jose Garduno of Dreamlab Technologies, AG"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400 Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://github.com/rapid7/metasploit-framework/pull/12433", "refsource": "MISC", "url": "https://github.com/rapid7/metasploit-framework/pull/12433"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T20:01:52.007Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/rapid7/metasploit-framework/pull/12433"}]}]}, "cveMetadata": {"assignerOrgId": "9974b330-7714-4307-a722-5648477acda7", "assignerShortName": "rapid7", "cveId": "CVE-2019-5645", "datePublished": "2020-09-01T14:35:12.880Z", "dateReserved": "2019-01-07T00:00:00.000Z", "dateUpdated": "2026-10-23T00:10:04.483Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Metasploit Framework", "vendor": "Rapid7", "versions": [{"lessThanOrEqual": "5.0.27", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cve@rapid7.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rapid7:metasploit:*:*:*:*:*:*:*:*", "matchCriteriaId": "62D5D3F5-4DBD-423D-8EB6-7D0EAB0EDAEF", "versionEndIncluding": "5.0.27", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Mediante el env\u00edo de una petici\u00f3n GET HTTP especialmente dise\u00f1ada hacia un manejador HTTP de Rapid7 Metasploit que est\u00e9 escuchando, un atacante puede registrar una expresi\u00f3n regular arbitraria.&#xa0;Cuando se eval\u00faa, este manejador malicioso puede impedir que sean establecidas nuevas sesiones del manejador HTTP o causar un agotamiento de recursos en el servidor de Metasploit"}], "id": "CVE-2019-5645", "lastModified": "2026-10-23T01:16:53.113", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "cve@rapid7.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-01T15:15:11.983", "references": [{"source": "cve@rapid7.com", "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", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/rapid7/metasploit-framework/pull/12433"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/rapid7/metasploit-framework/pull/12433"}], "sourceIdentifier": "cve@rapid7.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "cve@rapid7.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}