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Rewterz Threat Advisory – CVE-2020-10633 – ICS: HMS Networks eWON Flexy and Cosy Cross-site Scripting Vulnerability

Severity

Medium

Analysis Summary

A non-persistent XSS (cross-site scripting) vulnerability exists. An attacker could send a specially crafted URL to initiate a password change for the device. The target must introduce the credentials to the gateway before the attack can be successful.

Impact

Cross-site Scripting

Affected Vendors

HMS Networks

Affected Products

  • eWON Flexy All firmware versions prior to 14.1s0
  • eWON Cosy All firmware versions prior to 14.1s0

Remediation

HMS Networks recommends users update to latest firmware, Version 14.1s0