{"cve":"CVE-2020-7491","nvd":{"published":"2020-07-23T21:15:12.113","modified":"2026-06-17T03:24:53.157","status":"Modified","description":"**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy debug port account in TCMs installed in Tricon system versions 10.2.0 through 10.5.3 is visible on the network and could allow inappropriate access. This vulnerability was remediated in TCM version 10.5.4.","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:N/A:N","score":7.5},"cwes":[],"references":["https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01","https://www.se.com/ww/en/download/document/SESB-2020-105-01/","https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01","https://www.se.com/ww/en/download/document/SESB-2020-105-01/"],"products":["schneider-electric:tricon_tcm_4351_firmware","schneider-electric:tricon_tcm_4351a_firmware","schneider-electric:tricon_tcm_4351b_firmware","schneider-electric:tricon_tcm_4352_firmware","schneider-electric:tricon_tcm_4352a_firmware","schneider-electric:tricon_tcm_4352b_firmware","schneider-electric:tristation_1131_firmware"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-7491","score":0.01308,"percentile":0.706,"date":"2026-11-01"},"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."]}