Schneider Electric EcoStruxure Power Monitoring Expert (PME) (Update B)

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1. EXECUTIVE SUMMARY

• CVSS v4 7.3
• ATTENTION: Exploitable remotely
• Vendor: Schneider Electric
• Equipment: EcoStruxure Power Monitoring Expert (PME)
• Vulnerability: Deserialization of Untrusted Data

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to remotely execute code.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Schneider Electric reports the following products are affected:

• Schneider Electric EcoStruxure Power Monitoring Expert (PME): 2022
• Schneider Electric EcoStruxure Power Monitoring Expert (PME): Versions 2021 and prior

3.2 VULNERABILITY OVERVIEW

3.2.1 DESERIALIZATION OF UNTRUSTED DATA CWE-502

CWE-502: Deserialization of Untrusted Data vulnerability exists that could allow code to be remotely executed on the server when unsafely deserialized data is posted to the web server.

CVE-2024-9005 has been assigned to this vulnerability. A CVSS v3 base score of 7.1 has been assigned; the CVSS vector string is (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2024-9005. A base score of 7.3 has been calculated; the CVSS vector string is (AV:N/AC:H/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).

3.3 BACKGROUND

• CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities, Critical Manufacturing, Energy
• COUNTRIES/AREAS DEPLOYED: Worldwide
• COMPANY HEADQUARTERS LOCATION: France

3.4 RESEARCHER

Schneider Electric CPCERT reported this vulnerability to CISA.

4. MITIGATIONS

Schneider Electric has identified the following specific workarounds and mitigations that users can apply to reduce risk:

• Schneider Electric EcoStruxure Power Monitoring Expert (PME) Version 2022: Hotfix_75031_PME2022 is available for EcoStruxure Power Monitoring Expert (PME) that includes a fix for this vulnerability. Contact Schneider Electric's Customer Care Center https://www.se.com/us/en/work/support/ to download this hotfix.
• Schneider Electric EcoStruxure Power Monitoring Expert (PME) Version 2021 and prior: If users choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit. EcoStruxure Power Monitoring Expert 2021 and prior have reached end-of-life support. Users should consider upgrading to the latest version offering of PME to resolve this issue. Please contact Schneider Electric Customer Care Center https://www.se.com/us/en/work/support/ for more details.

The following product versions have been fixed:

• EcoStruxure Power Monitoring Expert (PME) 2022 Hotfix_75031_PME2022 is a fixed version for CVE-2024-9005

For more information, see the associated Schneider Electric CPCERT security advisory SEVD-2024-282-05 EcoStruxure Power Monitoring Expert (PME) - SEVD-2024-282-05 PDF Version, EcoStruxure Power Monitoring Expert (PME) - SEVD-2024-282-05 CSAF Version.

CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

• Do not click web links or open attachments in unsolicited email messages.
• Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.
• Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.

No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This vulnerability has a high attack complexity.

5. UPDATE HISTORY

• February 06, 2025: Initial Republication of Schneider Electric Advisory SEVD-2024-282-05
• March 27, 2025: Update A: Added CVSS 4.0 score
• May 20, 2025: Update B: Update to affected products and mitigations

• Schneider Electric