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Rewterz Threat Advisory – ICS: Johnson Controls System Configuration Tool (SCT) Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-21940 CVSS:7.5

Johnson Controls System Configuration Tool (SCT) is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2022-21939 CVSS:7.5

Johnson Controls System Configuration Tool (SCT) is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

Impact

  • Cross-Site Scripting

Indicators Of Compromise

CVE

  • CVE-2022-21940
  • CVE-2022-21939

Affected Vendors

Johnson Controls

Affected Products

  • Johnson Controls System Configuration Tool (SCT) 14.2
  • Johnson Controls System Configuration Tool (SCT) 15.0

Remediation

Refer to Johnson Controls Advisory for patch, upgrade or suggested workaround information.

Johnson Controls Advisory

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