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Rewterz Threat Advisory – ICS: VISAM VBASE Editor Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-22807: CVE-2021-22808: CVE-2021-22809

This vulnerability may cause arbitrary code execution when a malicious *.gd1 configuration file is loaded into the GUIcon tool.

CVE-2021-22810

A vulnerability could cause arbitrary script execution when a privileged account clicks on a malicious URL specifically crafted for the NMC pointing to a delete policy file.

CVE-2021-22811

A vulnerability could cause script execution when the request of a privileged account accessing the vulnerable web page is intercepted.

CVE-2021-22812

A vulnerability could cause arbitrary script execution when a privileged account clicks on a malicious URL specifically crafted for the NMC.

CVE-2021-22813

A vulnerability could cause arbitrary script execution when a privileged account clicks on a malicious URL specifically crafted for the NMC pointing to an edit policy file.

CVE-2021-22814

A vulnerability could cause arbitrary script execution when a malicious file is read and displayed.

CVE-2021-22815

A vulnerability could allow the troubleshooting archive to be accessed.

Impact

  • Arbitrary Code Execution
  • Information Disclosure

Affected Vendors

  • Schneider Electric

Affected Products

  • GUIcon: Versions 2.0 (Build 683.003) and prior
  • APC Rack Power Distribution Units (PDU) using NMC2: NMC2 AOS v6.9.6 and prior
  • Network Management Card 2 (NMC2) for InfraStruxure 150 kVA PDU with 84 Poles (X84P): NMC2 AOS v6.9.6 and prior
  • Network Management Card 2 for InfraStruxure 40/60kVA PDU (XPDU): NMC2 AOS v6.9.6 and prior
  • Network Management Card 2 for Modular 150/175kVA PDU (XRDP): NMC2 AOS v6.9.6 and prior
  • Network Management Card 2 for 400 and 500 kVA (PMM): NMC2 AOS v6.9.6 and prior
  • Network Management Card 2 for Modular PDU (XRDP2G): NMC2 AOS v6.9.6 and prior
  • Rack Automatic Transfer Switches (ATS): NMC2 AOS v6.9.6 and prior
  • APC Rack Power Distribution Units (PDU) using NMC3: NMC3 AOS v1.4.0 and prior
  • APC 3-Phase Power Distribution Products using NMC2: NMC2 AOS v6.9.6 and prior

Remediation

Refer to CISA Advisory for the patch, upgrade, or suggested workaround information.

https://us-cert.cisa.gov/ics/advisories/icsa-21-313-01
https://us-cert.cisa.gov/ics/advisories/icsa-21-313-02