QID 590634

Date Published: 2022-02-14

QID 590634: Mitsubishi Electric MELSEC-Q Series PLCs Denial of Service (DoS) Vulnerability (ICSA-19-029-02)

AFFECTED PRODUCTS
The following MELSEC-Q series PLCs are affected:
Q03/04/06/13/26UDVCPU: serial number 20081 and prior,
Q04/06/13/26UDPVCPU: serial number 20081 and prior, and
Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU: serial number 20101 and prior.

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

Successful exploitation of this vulnerability could allow a remote attacker to send specially crafted packets to the device, causing Ethernet communication to stop.

  • 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-19-029-02 for affected packages and patching details.

    Vendor References

    CVEs related to QID 590634

    CVE-2019-6535 |
    Software Advisories
    Advisory ID Software Component Link
    ICSA-19-029-02 URL Logo www.us-cert.gov/ics/advisories/ICSA-19-029-02
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