{"schema":"threatline.record/2","record":{"id":"CVE-2022-26143","aliases":[],"summary":"MiCollab, MiVoice Business Express Access Control Vulnerability","details":"A vulnerability has been identified in MiCollab and MiVoice Business Express that may allow a malicious actor to gain unauthorized access to sensitive information and services, cause performance degradations or a denial of service condition on the affected system.","categories":["Frameworks"],"product":"MiCollab, MiVoice Business Express","vendor":"Mitel","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2022-26143","source_modified_at":"2025-10-21T23:15:44.508Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2022-03-25","due_date":"2022-04-15","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.87325,"percentile":0.99756,"score_date":"2026-10-23"},"published_at":"2022-03-09T15:32:54.000Z","modified_at":"2025-10-21T23:15:44.508Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2022-26143","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:15:44.508Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-26143.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2022-26143","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Nuclei","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26143","source":"CISA KEV"},{"source":"CVE List","url":"https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.akamai.com/blog/security/phone-home-ddos-attack-vector","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://news.ycombinator.com/item?id=30614073","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://blog.cloudflare.com/cve-2022-26143/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26143","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2025-01-29T16:38:19.825484Z"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"Mitel MiCollab - Information Disclosure & Denial of Service","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-26143.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:15:44.508Z","content_hash":"a5c8cd760814311fc32d42ffe1aad707bb8ce6f8cfb95e87c182f9b929fd91e7"}}