QID 591075

Date Published: 2022-09-30

QID 591075: Schneider Electric Modicon M580 UMAS Improper Authentication Vulnerability (TALOS-2018-0741)

AFFECTED PRODUCTS
Schneider Electric Modicon M580 BMEP582040 SV2.70

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

An exploitable improper authentication vulnerability exists in the UMAS PLC reservation function of the Schneider Electric Modicon M580 Programmable Automation Controller, firmware version SV2.70. A specially crafted UMAS command can allow an attacker to masquerade as an authenticated user, resulting in the ability to bypass password protections in place on the device. An attacker can send unauthenticated commands to trigger this vulnerability.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section TALOS-2018-0741 for affected packages and patching details.

    Vendor References

    CVEs related to QID 591075

    CVE-2018-7842 |
    Software Advisories
    Advisory ID Software Component Link
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