Siemens Opcenter Quality
Plan Patch7.1ICS-CERT ICSA-25-226-06Aug 12, 2025
Attack VectorAdjacent
Auth RequiredLow
ComplexityHigh
User InteractionNone needed
Summary
Multiple vulnerabilities exist in Siemens Opcenter Quality SmartClient modules (Opcenter QL Home, SOA Audit, SOA Cockpit) versions 13.2 through 2505. Vulnerabilities include: improper access control allowing unauthorized SOAP service calls (CVE-2024-41979), insecure LDAP authentication configuration (CVE-2024-41980), information disclosure through database field access (CVE-2024-41982), information disclosure via database structure enumeration and IIS misconfiguration (CVE-2024-41983), path traversal and file type enumeration via file upload functionality (CVE-2024-41984), and use of deprecated cryptographic protocols (CVE-2024-41986). These issues could allow authenticated users or network-adjacent attackers to access sensitive data, enumerate system configurations, or bypass authentication controls.
What this means
What could happen
An attacker with network access to the Opcenter Quality application could access sensitive manufacturing data, bypass authentication through weak LDAP configuration, enumerate database structures and user accounts, or potentially execute unintended actions through SOAP services. This could expose product quality data, process parameters, or allow operational disruption.
Who's at risk
Quality managers, plant engineers, and IT staff operating Siemens Opcenter Quality for manufacturing quality control and compliance. This affects any organization using SmartClient modules (Opcenter QL Home, SOA Audit, or SOA Cockpit) for quality management, reporting, or audit functions in manufacturing, pharmaceutical, or process industries.
How it could be exploited
An attacker on the same network segment as Opcenter Quality could authenticate as a low-privilege user and invoke SOAP services to perform unintended actions, enumerate database schemas, or access sensitive fields without proper authorization. Alternatively, an attacker could exploit weak LDAP security settings or deprecated TLS protocols to intercept credentials or access user account information.
Prerequisites
- Network access to the Opcenter Quality application (same network segment for LDAP/protocol attacks)
- Low-privilege user account credentials (for CVE-2024-41979, CVE-2024-41982)
- Opcenter Quality version 13.2 through 2505 deployed
- SOAP service tools accessible from the SmartClient network (for CVE-2024-41979)
- Weak LDAP SSL/TLS configuration or deprecated protocols enabled (for CVE-2024-41980, CVE-2024-41986)
Low complexity exploitation requiredAffects data access and authentication layersNo patch available (patch is scheduled, not immediate)Multiple independent vulnerabilities in same product familySensitive operational data at risk (quality data, process parameters)
Exploitability
Low exploit probability (EPSS 0.0%)
Affected products (3)
3 with fix
ProductAffected VersionsFix Status
SmartClient modules Opcenter QL Home (SC)≥ 13.2, < 25062506
SOA Audit≥ 13.2, < 25062506
SOA Cockpit≥ 13.2, < 25062506
Remediation & Mitigation
0/8
Do now
0/2WORKAROUNDRestrict access to SmartClient tools; remove or disable SOAP service access from production SmartClient instances
HARDENINGEnable SSL/TLS on LDAP authentication interface and configure strong TLS (1.2+), disable SSL v2/v3 and TLS 1.0/1.1
Schedule — requires maintenance window
0/1Patching may require device reboot — plan for process interruption
SOA Audit
HOTFIXUpdate all affected Opcenter Quality products (Opcenter QL Home SC, SOA Audit, SOA Cockpit) to version 2506 or later
Long-term hardening
0/5HARDENINGApply least-privilege principle: limit user account permissions to minimum required, restrict database field access, separate reporting accounts from production accounts using views and synonyms
HARDENINGHarden IIS configuration: hide IIS version, limit file types allowed for upload, restrict folder enumeration and file scanning capabilities
HARDENINGOperate SmartClient modules only in secured network segments, isolated from untrusted networks
HARDENINGLimit reporting load on production systems by using dedicated reporting accounts, offline reporting systems, or database tools to control query load
HARDENINGFollow Siemens Opcenter Quality security concept hardening instructions and industrial security guidelines
CVEs (7)
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