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MitreCVE-2021-37401

HistoryDec 28, 2021 - 1:15 p.m.

CVE-2021-37401

2021-12-2813:15:08

CWE-522

mitre

web.nvd.nist.gov

cve-2021-37401

attacker

user credentials

file servers

backup repositories

zld files

sd cards

plc

user program

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.3

Confidence

High

EPSS

0.005

Percentile

77.0%

JSON

An attacker may obtain the user credentials from file servers, backup repositories, or ZLD files saved in SD cards. As a result, the PLC user program may be uploaded, altered, and/or downloaded.

Affected configurations

Nvd

Node

idecdata_file_managerRange≤2.12.1

idecwindeditRange≤1.3.1

idecwindldrRange≤8.19.1

Node

idecmicrosmart_plus_fc6bMatch-

AND

idecmicrosmart_plus_fc6b_firmwareRange≤2.31

Node

idecmicrosmart_plus_fc6aMatch-

AND

idecmicrosmart_plus_fc6a_firmwareRange≤1.91

Node

idecmicrosmart_fc6bMatch-

AND

idecmicrosmart_fc6b_firmwareRange≤2.31

Node

idecmicrosmart_fc6aMatch-

AND

idecmicrosmart_fc6a_firmwareRange≤2.32

Node

idecft1a_smartaxix_proMatch-

AND

idecft1a_smartaxix_pro_firmwareRange≤2.31

Node

idecft1a_smartaxix_liteMatch-

AND

idecft1a_smartaxix_lite_firmwareRange≤2.31

VendorProductVersionCPE
idecdata_file_manager*cpe:2.3:a:idec:data_file_manager:*:*:*:*:*:*:*:*
idecwindedit*cpe:2.3:a:idec:windedit:*:*:*:*:*:*:*:*
idecwindldr*cpe:2.3:a:idec:windldr:*:*:*:*:*:*:*:*
idecmicrosmart_plus_fc6b-cpe:2.3:h:idec:microsmart_plus_fc6b:-:*:*:*:*:*:*:*
idecmicrosmart_plus_fc6b_firmware*cpe:2.3:o:idec:microsmart_plus_fc6b_firmware:*:*:*:*:*:*:*:*
idecmicrosmart_plus_fc6a-cpe:2.3:h:idec:microsmart_plus_fc6a:-:*:*:*:*:*:*:*
idecmicrosmart_plus_fc6a_firmware*cpe:2.3:o:idec:microsmart_plus_fc6a_firmware:*:*:*:*:*:*:*:*
idecmicrosmart_fc6b-cpe:2.3:h:idec:microsmart_fc6b:-:*:*:*:*:*:*:*
idecmicrosmart_fc6b_firmware*cpe:2.3:o:idec:microsmart_fc6b_firmware:*:*:*:*:*:*:*:*
idecmicrosmart_fc6a-cpe:2.3:h:idec:microsmart_fc6a:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
idec	data_file_manager	*	cpe:2.3:a:idec:data_file_manager::::::::
idec	windedit	*	cpe:2.3:a:idec:windedit::::::::
idec	windldr	*	cpe:2.3:a:idec:windldr::::::::
idec	microsmart_plus_fc6b	-	cpe:2.3:h:idec:microsmart_plus_fc6b:-:::::::*
idec	microsmart_plus_fc6b_firmware	*	cpe:2.3:o:idec:microsmart_plus_fc6b_firmware::::::::
idec	microsmart_plus_fc6a	-	cpe:2.3:h:idec:microsmart_plus_fc6a:-:::::::*
idec	microsmart_plus_fc6a_firmware	*	cpe:2.3:o:idec:microsmart_plus_fc6a_firmware::::::::
idec	microsmart_fc6b	-	cpe:2.3:h:idec:microsmart_fc6b:-:::::::*
idec	microsmart_fc6b_firmware	*	cpe:2.3:o:idec:microsmart_fc6b_firmware::::::::
idec	microsmart_fc6a	-	cpe:2.3:h:idec:microsmart_fc6a:-:::::::*

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References

jvn.jp/en/vu/JVNVU92279973/

us.idec.com/idec-us/en/USD/Programmable-Logic-Controller/Micro-PLC/FC6A-MicroSmart/c/MicroSmart_FC6A

us.idec.com/idec-us/en/USD/Software-Downloads-Automation-Organizer

www.idec.com/home/lp/pdf/2021-12-24-PLC.pdf

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.3

Confidence

High

EPSS

0.005

Percentile

77.0%

JSON

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