CVE-2022-26237 in Remisol Advance
Summary
by MITRE • 10/06/2022
The default privileges for the running service Normand Viewer Service in Beckman Coulter Remisol Advance v2.0.12.1 and prior allows non-privileged users to overwrite and manipulate executables and libraries. This allows attackers to access sensitive data.
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Analysis
by VulDB Data Team • 05/08/2026
The CVE-2022-26237 vulnerability affects the Beckman Coulter Remisol Advance v2.0.12.1 and earlier versions, specifically targeting the Normand Viewer Service component. This issue represents a critical privilege escalation vulnerability that stems from improper default service permissions within the software ecosystem. The vulnerability manifests when the service operates with elevated privileges while running under a non-privileged user account, creating a dangerous privilege separation that attackers can exploit to gain unauthorized access to system resources. The flaw resides in the service's default configuration where it executes with sufficient permissions to modify critical system files and executables without proper authentication or authorization checks.
The technical implementation of this vulnerability involves the service's default execution context where it maintains write access to system directories and executable locations that should normally be protected from modification by standard users. This misconfiguration allows attackers to replace legitimate executables with malicious payloads or manipulate library files to redirect execution flows. The vulnerability maps directly to CWE-276, which addresses improper privileges, and aligns with ATT&CK technique T1068, which covers local privilege escalation through service manipulation. Attackers can leverage this weakness to overwrite system binaries, inject malicious code, or manipulate the service's behavior to access sensitive data that would otherwise be protected by proper access controls.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides attackers with persistent access to sensitive data and system resources within the laboratory environment. Laboratory information systems often contain highly sensitive data including patient information, research data, and proprietary methodologies that could be compromised through this vulnerability. The exploitation process typically involves identifying the service's execution context, locating writable system directories, and replacing legitimate executables with malicious versions that maintain persistence and provide data exfiltration capabilities. This vulnerability affects the integrity and confidentiality of the entire system, as attackers can manipulate the software to either steal data or create backdoors for future access.
Mitigation strategies for CVE-2022-26237 require immediate attention to service configuration and privilege management within the Beckman Coulter Remisol Advance platform. Organizations should implement strict service account management where services operate with minimal required privileges and avoid running with elevated permissions unless absolutely necessary. The recommended approach involves updating to the patched version of the software where Beckman Coulter has addressed the privilege escalation issue through proper service configuration and access control implementation. Security teams should also conduct comprehensive audits of service permissions and implement monitoring solutions that can detect unauthorized executable modifications or suspicious file access patterns. Additionally, network segmentation and application whitelisting can provide additional layers of protection against exploitation attempts, ensuring that even if an attacker compromises one component, they cannot easily propagate to other system areas. The vulnerability underscores the importance of following security best practices for service configuration and privilege management as outlined in industry standards such as NIST SP 800-171 and ISO 27001 controls.