Description
Unprotected transport of credentials vulnerability in IDEC PLCs (FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT Lite v1.3.1 and earlier, and Data File Manager v2.12.1 and earlier) allows an attacker to obtain the PLC Web server user credentials from the communication between the PLC and the software. As a result, the complete access privileges to the PLC Web server may be obtained, and manipulation of the PLC output and/or suspension of the PLC may be conducted.
Published: 2021-12-24
Score: 7.6 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-8238 Unprotected transport of credentials vulnerability in IDEC PLCs (FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT Lite v1.3.1 and earlier, and Data File Manager v2.12.1 and earlier) allows an attacker to obtain the PLC Web server user credentials from the communication between the PLC and the software. As a result, the complete access privileges to the PLC Web server may be obtained, and manipulation of the PLC output and/or suspension of the PLC may be conducted.
History

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Subscriptions

Idec Data File Manager Microsmart Fc6a Microsmart Fc6a Firmware Microsmart Plus Fc6a Microsmart Plus Fc6a Firmware Windedit Windldr
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2024-08-03T17:53:22.508Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20826

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-12-24T07:15:06.510

Modified: 2024-11-21T05:47:14.313

Link: CVE-2021-20826

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses