QID 590654

Date Published: 2022-03-17

QID 590654: Mitsubishi Electric MELSEC-F Series Denial of Service (DoS) Vulnerability (ICSA-21-201-01)

AFFECTED PRODUCTS
Mitsubishi Electric reports this vulnerability exists in the following MELSEC-F series Ethernet interface block:
FX3U-ENET: Firmware Version 1.14 and prior
FX3U-ENET-L: Firmware Version 1.14 and prior
FX3U-ENET-P502: Firmware Version 1.14 and prior

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version of using passive scanning

Successful exploitation of this vulnerability may cause a denial-of-service condition in communication with the product. System reset may be required for recovery.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section ICSA-21-201-01 for affected packages and patching details.

    Vendor References

    CVEs related to QID 590654

    CVE-2021-20596 |
    Software Advisories
    Advisory ID Software Component Link
    ICSA-21-201-01 URL Logo www.us-cert.gov/ics/advisories/ICSA-21-201-01
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