Schneider Electric APC Easy UPS Online Monitoring Software (Update A)

Risk Summary

Successful exploitation of this vulnerability could result in an attacker achieving remote code execution on the underlying operating system when manipulating internal methods through the Java RMI interface. It could also result in escalation of privileges or authentication bypass, which could then result in malicious web code execution or loss of device functionality.

CVEs (3)

Remediations

• Schneider Electric became aware of a public PoC detailing an exploit for prior versions of the APC Easy UPS Online Monitoring Software, and strongly recommends all users take the defensive actions listed in this advisory.
• The affected software is being discontinued with the discontinuation of the Easy UPS Online SNMP Cards (APV9601, APVS9601) managed by this software. Fixed versions notwithstanding, Schneider Electric recommends users to migrate to the PowerChute series of software, including PowerChute Serial Shutdown and PowerChute Network Shutdown. For more information, please see the following sites:
• PowerChute Serial Shutdown
• PowerChute Network Shutdown
• Schneider Electric recommends users update their affected devices to the following versions or later:
• APC Easy UPS Online Monitoring Software: Version 2.6-GA or later
• Schneider Electric Easy UPS Online Monitoring Software: Version 2.6-GS or later
• Schneider Electric recommends that users use appropriate patching methodologies when applying these patches to their systems and impact evaluate these patches in a test, development, or offline infrastructure environment. Schneider Electric strongly recommends the use of backups.
• Users can contact Schneider Electric's Customer Care Center for additional assistance.
• Schneider Electric strongly recommends users follow cybersecurity industry best practices, including:
• Locating control and safety system networks and remote devices behind firewalls and isolating them from the business network.
• Installing physical controls to help prevent unauthorized users from accessing industrial control and safety systems, components, peripheral equipment, and networks.
• Placing all controllers in locked cabinets, and do not leave them in the "Program" mode.
• Only connecting programming software to the network intended for that device.
• Scanning all methods of mobile data exchange with the isolated network before use in the terminals or nodes connected to these networks.
• Properly sanitizing mobile devices that have connected to another network before connecting to the intended network.
• Minimizing network exposure for all control system devices and systems and ensure that they are not accessible from the internet.
• Using secure methods, such as virtual private networks (VPNs), when remote access is required.
• For more information, refer to the Schneider Electric Recommended Cybersecurity Best Practices document.
• For more information, see Schneider Electric security notification SEVD-2023-101-04

Affected Vendors

Affected Products (2)

Affected Sectors

Critical Manufacturing