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Rewterz Threat Advisory – ICS: Mitsubishi Electric EcoWebServerIII

Severity

High

Analysis Summary

CVE-2016-10735; CVE-2018-14040; CVE-2018-14042; CVE-2018-20676; CVE-2019-8331; CVE-2020-11022; CVE-2020-11023

Multiple vulnerabilities due to cross-site scripting exist in the Energy Saving Data Collecting Server (EcoWebServerIII), which may result in information disclosure or information tampering of the product.

CVE-2017-18214 

A vulnerability due to uncontrolled resource consumption exists in Energy Saving Data Collecting Server (EcoWebServerIII), which may result in a denial-of-service condition.

CVE-2020-7746

A vulnerability due to improperly controlled modification of dynamically determined object attributes exists in Energy Saving Data Collecting Server (EcoWebServerIII), which may result in a denial-of-service condition.

Impact

  • Information Disclosure
  • Denial-of-Service
  • Information Tampering

Indicators of Compromise

CVEs

  • CVE-2016-10735
  • CVE-2018-14040
  • CVE-2018-14042
  • CVE-2018-20676
  • CVE-2019-8331
  • CVE-2020-11022
  • CVE-2020-11023
  • CVE-2017-18214
  • CVE-2020-7746

Affected Vendors

Mitsubishi Electric

Affected Products

  • Energy Saving Data Collecting Server (EcoWebServerIII)

Remediation

Visit the vendor website to update the patches or implement the required workarounds:

https://www.cisa.gov/uscert/ics/advisories/icsa-22-055-02