CVE-2020-7491

HIGH

Tricon system <10.5.3 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01

Scores

CVSS v3 7.5
EPSS 0.0025
EPSS Percentile 48.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

Status published
Products (7)
schneider-electric/tricon_tcm_4351_firmware 10.2.0 - 10.5.4
schneider-electric/tricon_tcm_4351a_firmware 10.2.0 - 10.5.4
schneider-electric/tricon_tcm_4351b_firmware 10.2.0 - 10.5.4
schneider-electric/tricon_tcm_4352_firmware 10.2.0 - 10.5.4
schneider-electric/tricon_tcm_4352a_firmware 10.2.0 - 10.5.4
schneider-electric/tricon_tcm_4352b_firmware 10.2.0 - 10.5.4
schneider-electric/tristation_1131_firmware 1.0.0 - 4.9.0
Published Jul 23, 2020
Tracked Since Feb 18, 2026