CVE-2026-42933 in Intravue
Summary
by MITRE • 07/24/2026
Pronetiqs IntraVUE versions 3.2.1a14 and prior have an unintended proxy or intermediary vulnerability which could allow an attacker to use an active proxy, which would bypass OT segmentation.
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Analysis
by VulDB Data Team • 07/24/2026
The Pronetiqs IntraVUE platform version 3.2.1a14 and earlier contains a critical unintended proxy or intermediary vulnerability that fundamentally undermines operational technology network segmentation controls. This vulnerability allows attackers to leverage active proxy mechanisms within the system to bypass established security boundaries designed to isolate industrial control systems from corporate networks. The flaw exists at the architectural level where proxy configurations are improperly validated or controlled, creating an unauthorized pathway for threat actors to traverse normally protected network segments.
This technical vulnerability specifically manifests as a failure in proxy validation mechanisms that should prevent unauthorized access through intermediary systems. When an attacker successfully exploits this weakness, they can establish or manipulate proxy connections that appear legitimate to the system's security controls. The vulnerability directly relates to CWE-610 - "Unintentional Information Exposure via Proxy" and represents a significant deviation from secure network design principles where proxies should act as controlled intermediaries rather than potential attack vectors.
The operational impact of this vulnerability extends beyond simple network traversal as it compromises the fundamental security model of industrial environments. Organizations relying on IntraVUE for operational technology monitoring face heightened risk of lateral movement attacks that could potentially escalate to full system compromise. The bypass of OT segmentation creates pathways for attackers to access critical control systems, industrial protocols, and operational data that should remain isolated from general network access. This vulnerability particularly affects environments where network segmentation is a primary defense mechanism against cyber threats targeting industrial control systems.
Security professionals should immediately implement network monitoring to detect anomalous proxy behavior and establish strict proxy access controls within the IntraVUE environment. The recommended mitigations include implementing comprehensive proxy validation procedures, restricting proxy functionality to authorized users only, and deploying network segmentation controls that do not rely solely on proxy configurations for security enforcement. Additionally, organizations should consider deploying intrusion detection systems specifically configured to identify unauthorized proxy usage patterns and establish regular vulnerability assessments targeting proxy configurations within industrial control environments. This vulnerability demonstrates the critical importance of validating all intermediary systems within OT networks as outlined in the ATT&CK framework's lateral movement techniques where proxy abuse represents a common method for bypassing network security controls.