CVE-2025-54855 in CLICK PLUS C0-0x CPU
Summary
by MITRE • 09/24/2025
Cleartext storage of sensitive information was discovered in Click Programming Software version v3.60. The vulnerability can be exploited by a local user with access to the file system, while an administrator session is active, to steal credentials stored in clear text.
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Analysis
by VulDB Data Team • 09/24/2025
The vulnerability identified as CVE-2025-54855 represents a critical security flaw in Click Programming Software version v3.60 that exposes sensitive authentication data through improper storage mechanisms. This issue falls under the category of insecure data storage practices that have been consistently flagged by cybersecurity frameworks including CWE-312, which specifically addresses the exposure of sensitive information through cleartext storage. The vulnerability manifests when administrative sessions are active within the software environment, creating a window of opportunity for local attackers who possess file system access to extract credentials that are stored without adequate encryption or obfuscation.
The technical implementation of this flaw demonstrates a fundamental failure in the software's security architecture where authentication tokens, passwords, or other sensitive credential information are persisted in plain text format within the application's data storage mechanisms. This cleartext storage approach directly violates established security principles and best practices outlined in various industry standards including the NIST Cybersecurity Framework and ISO 27001 security controls. The vulnerability is particularly concerning because it requires minimal attack prerequisites - simply having local file system access and the ability to observe active administrative sessions. This attack vector aligns with ATT&CK technique T1552.001, which covers "Unsecured Credentials" through cleartext storage of credentials, making it a straightforward target for adversaries who have already achieved a foothold within the system.
The operational impact of CVE-2025-54855 extends beyond immediate credential theft to potentially enable broader lateral movement and persistence within affected environments. When administrative credentials are exposed in cleartext, attackers can leverage these stolen credentials to access additional systems, escalate privileges, and maintain long-term access to network resources. The vulnerability's exploitation timeline coincides with active administrative sessions, suggesting that the software may cache or store authentication information in temporary files or configuration structures that remain accessible even after the initial session ends. This behavior creates a persistent threat surface that could be exploited by malware or malicious actors with local access, potentially leading to complete system compromise and data breaches.
Mitigation strategies for this vulnerability should focus on immediate remediation through software updates and patches provided by the vendor, while also implementing additional protective measures. Organizations should conduct comprehensive inventory assessments to identify all systems running vulnerable versions of Click Programming Software and prioritize their remediation. The implementation of proper credential storage mechanisms including encryption at rest, secure key management practices, and regular security audits should be enforced. Additionally, network segmentation and least privilege access controls can help limit the potential impact of credential theft, while monitoring solutions should be deployed to detect unusual file access patterns that might indicate exploitation attempts. Security awareness training for system administrators can also help prevent accidental exposure of sensitive information through improper configuration or handling practices, aligning with the broader cybersecurity maturity model requirements established by frameworks such as the SANS Institute's Critical Security Controls.