1. EXECUTIVE SUMMARY
- CVSS v4 8.2
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Schneider Electric
- Equipment: EcoStruxure
- Vulnerability: Allocation of Resources Without Limits or Throttling
2. RISK EVALUATION
Successful exploitation of this vulnerability could result in the loss of real-time process data from the Modicon Controller.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
Schneider Electric reports that the following products are affected:
- EcoStruxure OPC UA Server Expert: Versions prior to SV2.01 SP3
- EcoStruxure Modicon Communication Server: All versions
3.2 VULNERABILITY OVERVIEW
3.2.1 ALLOCATION OF RESOURCES WITHOUT LIMITS OR THROTTLING CWE-770
A vulnerability exists related to the allocation of resources without limits or throttling that could cause denial of service for the EcoStruxure OPC UA Server Expert when a large number of OPC UA requests are sent to the server.
CVE-2024-10085 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.5 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
A CVSS v4 score has also been calculated for CVE-2024-10085. A base score of 8.2 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N).
3.3 BACKGROUND
- CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities, Critical Manufac
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