{"cve":"CVE-2023-33379","nvd":{"published":"2023-08-04T18:15:12.937","modified":"2026-06-17T06:01:40.697","status":"Modified","description":"Connected IO v2.1.0 and prior has a misconfiguration in their MQTT broker used for management and device communication, which allows devices to connect to the broker and issue commands to other device, impersonating Connected IO management platform and sending commands to all of Connected IO's devices.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://claroty.com/team82/disclosure-dashboard/cve-2023-33379","https://www.connectedio.com/products/routers","https://claroty.com/team82/disclosure-dashboard/cve-2023-33379","https://www.connectedio.com/products/routers"],"products":["connectedio:er2000t-vz-cat1_firmware"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-33379","score":0.00692,"percentile":0.52886,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}