CVE-2026-54798 in CPCI85 Central Processing Communication
Summary
by MITRE • 07/09/2026
A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application includes a debugging interface that is accessible through HTTP endpoints. This could allow an authenticated attacker to disrupt the system by crashing the web process causing denial of service conditions.
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Analysis
by VulDB Data Team • 07/09/2026
This vulnerability exists within the CPCI85 Central Processing/Communication module and SICORE Base system versions prior to V26.20, representing a critical security weakness that enables unauthorized disruption of industrial control systems. The flaw manifests through an exposed debugging interface accessible via HTTP endpoints, which violates fundamental security principles of least privilege and secure by default configuration. This interface serves as an attack vector that allows authenticated adversaries to exploit the system's web process and trigger crashes, potentially leading to widespread operational disruptions in critical infrastructure environments.
The technical implementation of this vulnerability stems from improper access control mechanisms within the application's HTTP endpoint architecture. The debugging interface remains accessible without adequate authentication verification or authorization checks, creating a path for malicious actors to manipulate system processes directly through web-based protocols. This design flaw aligns with CWE-284 Access Control Issues, specifically addressing inadequate permissions for critical system functions. The vulnerability represents a classic case of insecure direct object references where the debugging interface can be accessed without proper authentication, enabling process manipulation that leads to service disruption.
From an operational impact perspective, this vulnerability poses significant risks to industrial environments where continuous operation is critical for safety and productivity. When an authenticated attacker exploits this flaw, they can cause the web process to crash repeatedly, leading to denial of service conditions that may affect system availability and reliability. The disruption could cascade through connected systems, potentially causing production halts, data loss, or safety incidents in environments such as manufacturing plants, power generation facilities, or water treatment systems where these devices operate. This vulnerability directly impacts the CIA triad by compromising availability and potentially integrity of system operations.
Organizations should implement immediate mitigations including disabling or removing the debugging interface from production environments, enforcing strict access controls through firewalls and network segmentation, and applying available patches or firmware updates to reach version V26.20 or higher. Network monitoring should be enhanced to detect unusual access patterns to HTTP endpoints, while privileged access should be restricted to authorized personnel only. The remediation strategy should align with ATT&CK framework tactics including T1566 Credential Access through unauthorized interface exploitation and T1499 Endpoint Denial of Service via process manipulation. Regular security assessments and vulnerability scanning should be conducted to identify similar exposed interfaces, while implementing robust logging mechanisms to detect exploitation attempts and maintain audit trails for incident response activities.