Rewterz Threat Advisory – ICS: Multiple Siemens Mendix Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2022-34467 CVSS:6.5

Siemens Mendix Excel Importer Module is vulnerable to a denial of service, caused by an XML entity expansion vulnerability. By sending a specially-crafted request, a remote authenticated attacker could exploit this vulnerability to cause a denial of service.

CVE-2022-34466 CVSS:6.5

Siemens Mendix Applications using Mendix 9 could allow a remote authenticated attacker to obtain sensitive information, caused by an expression injection vulnerability in the Workflow processing. By using the Workflow visual language, an attacker could exploit this vulnerability to obtain sensitive information and use this information to launch further attacks against the affected system.

Impact

• Denial of Service
• Information Disclosure

Indicators Of Compromise

CVE

• CVE-2022-34467
• CVE-2022-34466

Affected Vendors

Siemens

Affected Products

• Siemens Mendix Excel Importer Module (Mendix 8 compatible) 9.2.1
• Siemens Mendix Excel Importer Module (Mendix 9 compatible) 10.1.1
• Siemens Mendix Applications using Mendix 9 9.11
• Siemens Mendix Applications using Mendix 9 9.12.2

Remediation

Refer to Siemens Security Advisory for patch, upgrade or suggested workaround information.

Siemens Security Advisory