CVE-2021-20826

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Summary

CVECVE-2021-20826
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-12-24 07:15:00 UTC
Updated2022-01-11 18:18:00 UTC
DescriptionUnprotected 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.

Risk And Classification

Problem Types: CWE-522

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Idec Data File Manager All All All All
Hardware Idec Microsmart Fc6a - All All All
Operating System Idec Microsmart Fc6a Firmware All All All All
Hardware Idec Microsmart Plus Fc6a - All All All
Operating System Idec Microsmart Plus Fc6a Firmware All All All All
Application Idec Windedit All All All All
Application Idec Windldr All All All All

References

ReferenceSourceLinkTags
JVNVU#92279973: Multiple vulnerabilities in IDEC PLCs MISC jvn.jp
www.idec.com/home/lp/pdf/2021-12-24-PLC.pdf MISC www.idec.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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