{"schemaVersion":3,"id":"CVE-2018-11615","aliases":["GHSA-wqg7-vrj7-v82h"],"status":"published","duplicateOf":null,"title":null,"description":"This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system. Was ZDI-CAN-6306.","dates":{"published":"2018-08-30T12:00:00.000Z","modified":"2024-08-05T08:17:07.813Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.8,"severity":"high","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Npm","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true}]},"epss":{"probability":0.03346,"percentile":0.88522,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.03346},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02409,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03346,"percentile":0.88522}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02409,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03346,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03346,"percentile":0.88522}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"},{"id":"CWE-185","name":"Incorrect Regular Expression","description":"The product specifies a regular expression in a way that causes data to be improperly matched or compared.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/185.html"}],"affected":[{"vendor":"mosca_project","product":"mosca","name":"mosca","label":"mosca","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.8.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.8.1","eol":null,"hubHref":"/vendor/mosca_project/mosca"},{"vendor":"Npm","product":"mosca","name":"mosca","label":"mosca","ecosystem":"Npm","cpePart":null,"purl":"pkg:npm/mosca","purlType":"npm","versions":[{"text":"< 2.8.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.8.2","eol":null,"hubHref":null},{"vendor":"npm","product":"npm mosca","name":"npm mosca","label":"npm mosca","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.8.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.8.1","eol":null,"hubHref":"/vendor/npm/npm_mosca"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://zerodayinitiative.com/advisories/ZDI-18-583","label":"zerodayinitiative.com/advisories/ZDI-18-583","hostname":"zerodayinitiative.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry","WEB"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11615","label":"nvd.nist.gov/vuln/detail/CVE-2018-11615","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/advisories/GHSA-wqg7-vrj7-v82h","label":"github.com/advisories/GHSA-wqg7-vrj7-v82h","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-08-30T12:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T08:17:07.813Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T15:54:30.808Z","stale":false,"partial":false}}