Read the docs
TI-2021-15349 Aliases CVE-2021-37400GHSA-gv42-v83p-3gw3

An attacker may obtain the user credentials from the communication between the PLC and…

Priority MEDIUM 45CWE-522Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-522.

Summary

An attacker may obtain the user credentials from the communication between the PLC and the software. As a result, the PLC user program may be uploaded, altered, and/or downloaded.

Why it matters now

EPSS 0.01384 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 15

CPEVersionsRoleVendor
cpe:2.3:a:idec:data_file_manager:*:*:*:*:*:*:*:*up to 2.12.1VulnerableIDEC Corporation
cpe:2.3:a:idec:windedit:*:*:*:*:*:*:*:*up to 1.3.1VulnerableIDEC Corporation
cpe:2.3:a:idec:windldr:*:*:*:*:*:*:*:*up to 8.19.1VulnerableIDEC Corporation
cpe:2.3:o:idec:microsmart_plus_fc6b_firmware:*:*:*:*:*:*:*:*up to 2.31VulnerableIDEC Corporation
cpe:2.3:h:idec:microsmart_plus_fc6b:-:*:*:*:*:*:*:*not specified by NVDRunning onIDEC Corporation
cpe:2.3:o:idec:microsmart_plus_fc6a_firmware:*:*:*:*:*:*:*:*up to 1.91VulnerableIDEC Corporation
cpe:2.3:h:idec:microsmart_plus_fc6a:-:*:*:*:*:*:*:*not specified by NVDRunning onIDEC Corporation
cpe:2.3:o:idec:microsmart_fc6b_firmware:*:*:*:*:*:*:*:*up to 2.31VulnerableIDEC Corporation
cpe:2.3:h:idec:microsmart_fc6b:-:*:*:*:*:*:*:*not specified by NVDRunning onIDEC Corporation
cpe:2.3:o:idec:microsmart_fc6a_firmware:*:*:*:*:*:*:*:*up to 2.32VulnerableIDEC Corporation
  • cpe:2.3:a:idec:data_file_manager:*:*:*:*:*:*:*:* Versions up to 2.12.1 Vulnerable ·IDEC Corporation
  • cpe:2.3:a:idec:windedit:*:*:*:*:*:*:*:* Versions up to 1.3.1 Vulnerable ·IDEC Corporation
  • cpe:2.3:a:idec:windldr:*:*:*:*:*:*:*:* Versions up to 8.19.1 Vulnerable ·IDEC Corporation
  • cpe:2.3:o:idec:microsmart_plus_fc6b_firmware:*:*:*:*:*:*:*:* Versions up to 2.31 Vulnerable ·IDEC Corporation
  • cpe:2.3:h:idec:microsmart_plus_fc6b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IDEC Corporation
  • cpe:2.3:o:idec:microsmart_plus_fc6a_firmware:*:*:*:*:*:*:*:* Versions up to 1.91 Vulnerable ·IDEC Corporation
  • cpe:2.3:h:idec:microsmart_plus_fc6a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IDEC Corporation
  • cpe:2.3:o:idec:microsmart_fc6b_firmware:*:*:*:*:*:*:*:* Versions up to 2.31 Vulnerable ·IDEC Corporation
  • cpe:2.3:h:idec:microsmart_fc6b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IDEC Corporation
  • cpe:2.3:o:idec:microsmart_fc6a_firmware:*:*:*:*:*:*:*:* Versions up to 2.32 Vulnerable ·IDEC Corporation
Show 5 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:idec:microsmart_fc6a:-:*:*:*:*:*:*:*not specified by NVDRunning onIDEC Corporation
cpe:2.3:o:idec:ft1a_smartaxix_pro_firmware:*:*:*:*:*:*:*:*up to 2.31VulnerableIDEC Corporation
cpe:2.3:h:idec:ft1a_smartaxix_pro:-:*:*:*:*:*:*:*not specified by NVDRunning onIDEC Corporation
cpe:2.3:o:idec:ft1a_smartaxix_lite_firmware:*:*:*:*:*:*:*:*up to 2.31VulnerableIDEC Corporation
cpe:2.3:h:idec:ft1a_smartaxix_lite:-:*:*:*:*:*:*:*not specified by NVDRunning onIDEC Corporation
  • cpe:2.3:h:idec:microsmart_fc6a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IDEC Corporation
  • cpe:2.3:o:idec:ft1a_smartaxix_pro_firmware:*:*:*:*:*:*:*:* Versions up to 2.31 Vulnerable ·IDEC Corporation
  • cpe:2.3:h:idec:ft1a_smartaxix_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IDEC Corporation
  • cpe:2.3:o:idec:ft1a_smartaxix_lite_firmware:*:*:*:*:*:*:*:* Versions up to 2.31 Vulnerable ·IDEC Corporation
  • cpe:2.3:h:idec:ft1a_smartaxix_lite:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IDEC Corporation

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-37400
  2. 2026-10-03 Alias added: GHSA-gv42-v83p-3gw3

References

Advisory 4

  • TI-2021-15350 An attacker may obtain the user credentials from file servers, backup repositories, or… CVSS 3.1CRITICAL 9.8
  • TI-2021-04043 Cleartext storage of sensitive information in IDEC PLC CVSS 3.1HIGH 7.5
  • TI-2021-04042 Insufficiently protected credentials in IDEC PLC CVSS 3.1HIGH 7.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences