Vulnerability · Published Dec 28, 2021 · Assigned by mitre
CVE-2021-37401
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.4%top 27.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
References
- https://us.idec.com/idec-us/en/USD/Programmable-Logic-Controller/Micro-PLC/FC6A-MicroSmart/c/MicroSmart_FC6A x_refsource_MISC
- https://us.idec.com/idec-us/en/USD/Software-Downloads-Automation-Organizer x_refsource_MISC
- https://www.idec.com/home/lp/pdf/2021-12-24-PLC.pdf x_refsource_MISC
- https://jvn.jp/en/vu/JVNVU92279973/ x_refsource_MISC