CVE-2025-23974 in One-Login Plugin
Summary
by MITRE • 06/09/2025
Incorrect Privilege Assignment vulnerability in ifkooo One-Login allows Privilege Escalation. This issue affects One-Login: from n/a through 1.4.
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Analysis
by VulDB Data Team • 06/09/2025
The vulnerability identified as CVE-2025-23974 represents a critical privilege assignment flaw within the ifkooo One-Login authentication system, specifically impacting versions ranging from the initial release through 1.4. This type of vulnerability falls under the broader category of improper privilege management, which is classified as CWE-276 according to the Common Weakness Enumeration catalog. The flaw enables unauthorized users to escalate their privileges within the system, potentially gaining access to administrative functions or elevated user permissions that should be restricted to authorized personnel only.
The technical implementation of this vulnerability appears to stem from inadequate validation of user roles and permissions during the authentication process or subsequent privilege assignment operations. When users authenticate through the One-Login system, the application fails to properly verify or enforce the correct privilege levels associated with their authenticated identity. This misconfiguration allows malicious actors or compromised users to manipulate their session or authentication tokens to assume higher privileges than initially granted. The vulnerability may manifest through various attack vectors including session manipulation, token tampering, or exploitation of logic flaws in the privilege assignment algorithms.
From an operational impact perspective, this vulnerability creates significant security risks for organizations relying on the ifkooo One-Login system for their authentication infrastructure. Attackers who successfully exploit this flaw can potentially gain unauthorized access to sensitive system resources, administrative interfaces, or restricted data sets that should only be accessible to privileged users. The privilege escalation capability means that even a basic user account could be elevated to administrator level access, potentially leading to complete system compromise, data exfiltration, or unauthorized modification of system configurations. This vulnerability directly impacts the principle of least privilege and can undermine the entire security posture of organizations using this authentication solution.
Organizations affected by this vulnerability should immediately implement mitigations including upgrading to the latest available version of the ifkooo One-Login system where the flaw has been addressed. Additionally, security teams should conduct thorough audits of existing user permissions and implement enhanced monitoring for suspicious privilege escalation attempts. The mitigation strategy should align with the ATT&CK framework's privilege escalation techniques, particularly focusing on credential access and defense evasion tactics that attackers might employ. Network segmentation and access controls should be reinforced to limit the potential impact of any successful exploitation attempts, while also implementing comprehensive logging and alerting mechanisms to detect unauthorized privilege changes within the authentication system.