QID 590488

Date Published: 2021-09-07

QID 590488: Schneider Electric Modicon PLCs Insufficiently Protected Credentials Vulnerability (ICSA-17-089-02)

AFFECTED PRODUCTS
Modicon M241 Logic Controller, firmware version prior to 5.0.8.4
Modicon M251 Logic Controller, firmware version prior to 5.0.8.4
Modicon Quantum Co-processors ref. 140CPU6*
Modicon Premium Co-processors ref. TSXP* and TSXH*
Modicon Quantum Ethernet communication modules ref.140NOE* and 140NOC*
Modicon Premium Ethernet communication modules ref. TSXETY*
Modicon M340 CPU ref. BMXP34*
Modicon M340 Ethernet communication Modules ref. BMXNOC*, BMXNOE*, BMXNOR*
Modicon Momentum Ethernet MDI

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

Successful exploitation of these vulnerabilities may allow a remote attacker to spoof or disrupt Transmission Control Protocol (TCP) connections, sniff sensitive account information, and gain unauthorized access to a current web session.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section SEVD-2017-075-03,SEVD-2017-075-03 for affected packages and patching details.

    Vendor References

    CVEs related to QID 590488

    CVE-2017-6028 |
    Software Advisories
    Advisory ID Software Component Link
    ICSA-17-089-02 URL Logo www.us-cert.gov/ics/advisories/ICSA-17-089-02
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