Vulnerability Details : CVE-2021-37400
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.
Products affected by CVE-2021-37400
- cpe:2.3:o:idec:microsmart_plus_fc6b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:idec:microsmart_plus_fc6a_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:idec:microsmart_fc6b_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:idec:microsmart_fc6a_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:idec:ft1a_smartaxix_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:idec:ft1a_smartaxix_lite_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:a:idec:data_file_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:idec:windedit:*:*:*:*:*:*:*:*
- cpe:2.3:a:idec:windldr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-37400
0.51%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-37400
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-37400
-
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-37400
-
https://us.idec.com/idec-us/en/USD/Software-Downloads-Automation-Organizer
Automation Organizer | USAVendor Advisory
-
https://us.idec.com/idec-us/en/USD/Programmable-Logic-Controller/Micro-PLC/FC6A-MicroSmart/c/MicroSmart_FC6A
FC6A MicroSmart | Micro PLC | Programmable LoUSAVendor Advisory
-
https://www.idec.com/home/lp/pdf/2021-12-24-PLC.pdf
Vendor Advisory
-
https://jvn.jp/en/vu/JVNVU92279973/
JVNVU#92279973: Multiple vulnerabilities in IDEC PLCsThird Party Advisory
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