{"api_version":"1","generated_at":"2026-04-23T09:53:30+00:00","cve":"CVE-2024-36856","urls":{"html":"https://cve.report/CVE-2024-36856","api":"https://cve.report/api/cve/CVE-2024-36856.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-36856","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-36856"},"summary":{"title":"CVE-2024-36856","description":"RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.","state":"PUBLISHED","assigner":"mitre","published_at":"2024-06-12 03:15:39","updated_at":"2026-04-03 16:16:21"},"problem_types":["CWE-404","n/a","CWE-404 CWE-404 Improper Resource Shutdown or Release"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","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","data":{"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"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","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","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://gist.github.com/pengwGit/d8410afeb0d5d11ab79f596a32178c2e","name":"https://gist.github.com/pengwGit/d8410afeb0d5d11ab79f596a32178c2e","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/rmqtt/rmqtt/releases/tag/0.4.0","name":"https://github.com/rmqtt/rmqtt/releases/tag/0.4.0","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-36856","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36856","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]},{"source":"ADP","vendor":"rmqtt","product":"rmqtt","version":"affected 0.4.0","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2024","cve_id":"36856","cve":"CVE-2024-36856","epss":"0.001950000","percentile":"0.414300000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:39"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-02T03:43:49.112Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_transferred"],"url":"https://github.com/rmqtt/rmqtt/releases/tag/0.4.0"},{"tags":["x_transferred"],"url":"https://gist.github.com/pengwGit/d8410afeb0d5d11ab79f596a32178c2e"}],"title":"CVE Program Container"},{"affected":[{"cpes":["cpe:2.3:a:rmqtt:rmqtt:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"rmqtt","vendor":"rmqtt","versions":[{"status":"affected","version":"0.4.0"}]}],"metrics":[{"cvssV3_1":{"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"}},{"other":{"content":{"id":"CVE-2024-36856","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-08-22T18:08:12.484880Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-404","description":"CWE-404 Improper Resource Shutdown or Release","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2024-08-22T18:19:27.997Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2026-04-03T16:07:28.936Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"url":"https://github.com/rmqtt/rmqtt/releases/tag/0.4.0"},{"url":"https://gist.github.com/pengwGit/d8410afeb0d5d11ab79f596a32178c2e"}]}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2024-36856","datePublished":"2024-06-12T00:00:00.000Z","dateReserved":"2024-05-30T00:00:00.000Z","dateUpdated":"2026-04-03T16:07:28.936Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-06-12 03:15:39","lastModifiedDate":"2026-04-03 16:16:21","problem_types":["CWE-404","n/a","CWE-404 CWE-404 Improper Resource Shutdown or Release"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"36856","Ordinal":"1","Title":"CVE-2024-36856","CVE":"CVE-2024-36856","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"36856","Ordinal":"1","NoteData":"RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.","Type":"Description","Title":"CVE-2024-36856"}]}}}