CVE-2026-73807 in myPRO
Summary
by MITRE • 09/15/2026
The mySCADA myPRO Manager command API does not properly enforce authentication for privileged functions. An unauthenticated attacker with network access to the affected API could exploit this vulnerability to access privileged management functions.
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Analysis
by VulDB Data Team • 09/15/2026
The identified vulnerability in the mySCADA myPRO Manager command API represents a critical failure in access control mechanisms, specifically categorized under CWE-287: Improper Authentication. This flaw indicates that the application fails to verify the identity of users or services before granting access to sensitive operations. In industrial control systems and supervisory control and data acquisition environments, such as those managed by mySCADA software, maintaining strict separation between unauthenticated traffic and administrative functions is paramount for operational integrity. The absence of mandatory authentication checks allows any entity with network connectivity to the affected API endpoint to bypass security boundaries entirely. This type of misconfiguration effectively neutralizes the intended role-based access control model, rendering other security layers ineffective if they rely on prior identity verification.
From an offensive perspective, this vulnerability aligns closely with MITRE ATT&CK technique T1078: Valid Accounts, although in this specific instance, it allows for unauthorized use of administrative privileges without possessing valid credentials initially. An attacker leveraging network access to the system can interact directly with the command API endpoints that are supposed to be restricted. By sending crafted requests to these unprotected interfaces, an adversary can execute privileged management functions such as modifying configuration settings, altering alarm thresholds, or potentially disrupting process control logic. The ease of exploitation is significantly heightened because it does not require complex social engineering or prior compromise of user credentials; network reachability is the sole prerequisite for initial access to these high-impact commands.
The operational impact of this vulnerability extends beyond simple data exposure and encompasses severe risks to physical safety, production continuity, and regulatory compliance. Industrial environments rely on predictable system behavior, and unauthorized changes to control parameters can lead to equipment damage, hazardous material releases, or complete shutdowns of critical infrastructure. Furthermore, the ability to manipulate management functions without detection undermines audit trails and forensic capabilities, making it difficult for security teams to identify the scope of compromise or attribute attacks correctly. The lack of authentication also facilitates lateral movement within the network, as an attacker can use these privileged commands to pivot deeper into the industrial control system architecture, potentially reaching safety-critical components that are normally isolated from general IT networks.
Mitigation strategies must focus on immediate remediation of the API configuration and long-term architectural improvements. The most urgent action is to enforce strict authentication requirements for all administrative endpoints within the myPRO Manager command API. This involves implementing robust identity verification protocols, such as OAuth 2.0 or mutual TLS, ensuring that only authorized users with valid credentials can invoke privileged functions. Additionally, network segmentation should be reviewed and strengthened to restrict access to these management interfaces exclusively from trusted IP ranges or dedicated administrative workstations. Implementing web application firewalls with specific rules to detect and block unauthenticated requests to sensitive endpoints can provide an additional layer of defense while permanent fixes are deployed. Regular security assessments and penetration testing focused on API authentication flows are recommended to ensure that such misconfigurations do not recur in future updates or deployments.