{"id":"CVE-2018-18819","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-18819","generatedAt":"2026-10-28T21:22:27.179Z","title":"A vulnerability in the web conference chat component of MiCollab, versions 7.3 PR6 (7.3.0.601) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP2 (8.0.2.202), and MiVoice Business Express versions 7.3 PR3 (7.3.1.302) and earlier, and 8.0 (8.0.0.40)…","description":"A vulnerability in the web conference chat component of MiCollab, versions 7.3 PR6 (7.3.0.601) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP2 (8.0.2.202), and MiVoice Business Express versions 7.3 PR3 (7.3.1.302) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP1 (8.0.2.202), could allow creation of unauthorized chat sessions, due to insufficient access controls. A successful exploit could allow execution of arbitrary commands.","published":"2019-11-12T14:15:11.000Z","lastModified":"2026-06-17T01:47:58.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-863"],"affected":["mitel/micollab","mitel/mivoice business express"],"epss":{"score":0.0143,"percentile":0.72876,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.43%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.mitel.com/support/security-advisories","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-18-0012","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.mitel.com/support/security-advisories","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-18-0012","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-18819","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."}