QID 590913

Date Published: 2022-07-18

QID 590913: Mitsubishi Electric MELSEC Q and L Series Ethernet Port Denial of Service (DoS) Vulnerability (2022-007) (ICSA-22-172-01)

Affected Products
Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU All versions
Q03/04/06/13/26UDVCPU The first 5 digits of serial No. "24051"and prior
Q04/06/13/26UDPVCPU The first 5 digits of serial No. "24051"and prior
L02/06/26CPU(-P), L26CPU-(P)BT The first 5 digits of serial No. "24051"and prior

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

A malicious attacker may cause a DoS condition in Ethernet communications by sending a specially crafted packet (CVE-2022-24946).

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as High - 7.8 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section 2022-007 for affected packages and patching details.

    Vendor References

    CVEs related to QID 590913

    CVE-2022-24946 |
    Software Advisories
    Advisory ID Software Component Link
    2022-007 URL Logo www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf
    ICSA-22-172-01 URL Logo www.cisa.gov/uscert/ics/advisories/icsa-22-172-01
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