CVE-2020-24675 in Symphony Plus Operations
Summary
by MITRE • 12/23/2020
In S+ Operations and S+ History, it is possible that an unauthenticated user could inject values to the Operations History server (or standalone S+ History server) and ultimately write values to the controlled process.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 07/28/2026
This vulnerability represents a critical security flaw in the S+ Operations and S+ History systems where unauthenticated users can exploit input validation weaknesses to inject malicious values into the Operations History server or standalone S+ History server components. The vulnerability stems from insufficient authentication mechanisms and inadequate input sanitization controls that allow attackers to manipulate system processes through crafted data injection techniques. The technical implementation appears to lack proper access control enforcement, enabling arbitrary value injection that can ultimately result in unauthorized write operations to controlled processes within the system architecture.
The operational impact of this vulnerability extends beyond simple data integrity concerns as it creates a pathway for persistent unauthorized access and potential system compromise. Attackers could leverage this flaw to manipulate historical operation records, potentially altering audit trails and compromising the integrity of system logging mechanisms. The vulnerability's exploitation capability allows for write operations to controlled processes, which aligns with common attack patterns documented in the MITRE ATT&CK framework under the initial access and persistence phases. This represents a significant concern for industrial control systems and operational technology environments where historical data integrity is crucial for system monitoring and security analysis.
The root cause of this vulnerability can be attributed to inadequate input validation and authentication controls that fail to properly validate user credentials or enforce proper access restrictions before processing incoming data requests. This weakness creates an attack surface that violates fundamental security principles outlined in CWE categories related to improper input validation and insufficient authentication mechanisms. The absence of proper session management and credential verification processes allows unauthenticated users to bypass normal system access controls and inject malicious payloads that can ultimately modify running processes within the S+ History server environment.
Mitigation strategies should focus on implementing robust authentication mechanisms, enforcing strict input validation controls, and establishing proper access control policies for all system components. Organizations must deploy comprehensive network segmentation to isolate critical S+ History servers from untrusted networks and implement proper monitoring solutions to detect unauthorized access attempts. The implementation of multi-factor authentication, secure API endpoints with proper credential verification, and regular security assessments should be prioritized to address the underlying architectural weaknesses that enable this vulnerability. Additionally, system administrators should establish strict audit logging for all operations history server interactions and configure intrusion detection systems to monitor for suspicious injection patterns that could indicate exploitation attempts.