ICSA-21-348-02
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Published 2021-12-21
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View on CISA ICS-CERT ↗
Schneider Electric Rack PDU (Update A)
CVSS 6.5
MEDIUM
Risk Summary
Successful exploitation of this vulnerability could allow an attacker to access the system with elevated privileges.
CVEs (1)
Remediations
- AP7xxxx and AP8xxx with NMC2: v7.0.6 of the Rack PDU firmware includes a fix for this vulnerability and is available for download: Rack PDU v7.0.6 firmware: Device must be rebooted as part of the update process. Verify the firmware version is correct once the update is complete.
- AP7xxx, AP8xxx, APDU9xxx with NMC3: v1.2.0.2 of the Rack PDU firmware includes a fix for this vulnerability and is available for download: Rack PDU v1.2.0.2 firmware: Release Notes Device must be rebooted as part of the update process. Verify the firmware version is correct once the update is complete.
- Discontinue the use of outlet links until the firmware upgrade is applied.
- Locate control and safety system networks and remote devices behind firewalls and isolate them from the business network.
- Install physical controls so no unauthorized personnel can access industrial control and safety systems, components, peripheral equipment, and networks.
- Place all controllers in locked cabinets and never leave them in the “Program” mode.
- Never connect programming software to any network other than the network for the devices it is intended for.
- Scan all methods of mobile data exchange with the isolated network such as CDs, USB drives, etc., before use in the terminals or any node connected to these networks.
- Never allow mobile devices that have connected to any other network besides the intended network to connect to the safety or control networks without proper sanitation.
- Minimize network exposure for all control system devices and systems and ensure they are not accessible from the Internet.
- When remote access is required, use secure methods, such as virtual private networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also, recognize VPN is only as secure as its connected devices.
- For more information, please see Schneider Electric's security notification: SEVD-2021-348-04
Affected Vendors
Schneider Electric Software, LLC
Affected Products (3)
Schneider Electric Software, LLC
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AP7xxxx and AP8xxx with NMC2
<= 6.9.6
Schneider Electric Software, LLC
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APDU9xxx with NMC3
<= 1.0.0.28
Schneider Electric Software, LLC
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AP7xxx and AP8xxx with NMC3
<= 1.1.0.3
Affected Sectors
Energy
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