CVE-2010-0122 in Employee Timeclock Software
Summary
by MITRE
Multiple SQL injection vulnerabilities in Employee Timeclock Software 0.99 allow remote attackers to execute arbitrary SQL commands via the (1) username or (2) password parameter to (a) auth.php or (b) login_action.php.
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Analysis
by VulDB Data Team • 05/02/2026
The vulnerability identified as CVE-2010-0122 represents a critical SQL injection flaw within the Employee Timeclock Software version 0.99, presenting a significant security risk to organizations relying on this system for time and attendance management. This vulnerability affects the authentication mechanisms of the software, specifically targeting the username and password parameters in two key files: auth.php and login_action.php. The flaw allows remote attackers to manipulate the underlying database queries through carefully crafted input, potentially compromising the entire system's integrity and confidentiality.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the authentication routines. When users attempt to log in through the affected software, the username and password parameters are directly concatenated into SQL query strings without proper escaping or parameterization. This design flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is incorporated into database queries without adequate protection mechanisms. The vulnerability exists because the application fails to implement proper input filtering, allowing malicious users to inject SQL commands that bypass authentication and potentially execute unauthorized database operations.
The operational impact of this vulnerability extends far beyond simple unauthorized access, as it creates a pathway for attackers to escalate their privileges and gain deeper system control. An attacker exploiting this vulnerability could execute arbitrary SQL commands, potentially leading to data theft, data modification, or even complete system compromise. The remote nature of the attack means that threat actors do not require physical access to the system, making the vulnerability particularly dangerous in networked environments where the software may be accessible from multiple locations. This vulnerability directly maps to ATT&CK technique T1190, which describes the exploitation of vulnerabilities in remote services to gain initial access to target systems.
Organizations using this vulnerable software face substantial risk of data breaches and regulatory non-compliance, particularly in industries subject to data protection regulations such as HIPAA, PCI DSS, or GDPR. The attack surface is broad since the vulnerability affects core authentication functionality, making it an attractive target for cybercriminals seeking to establish persistent access to corporate networks. The vulnerability also represents a significant concern for supply chain security, as many organizations may unknowingly deploy vulnerable versions of this software without proper security assessments or patch management processes. Effective mitigation requires immediate deployment of vendor patches or updates, implementation of web application firewalls, and comprehensive input validation measures to prevent similar vulnerabilities in other applications.
The remediation approach should prioritize immediate patching of the affected software version, while also implementing comprehensive security controls including database query parameterization, input validation, and regular security assessments. Organizations should conduct thorough vulnerability scans to identify other potentially vulnerable applications within their environment, as similar patterns of inadequate input sanitization may exist in other systems. Additionally, implementing proper access controls, monitoring for unusual authentication patterns, and maintaining up-to-date security incident response procedures are essential components of a comprehensive defense strategy against such vulnerabilities. The incident underscores the critical importance of maintaining current security patches and implementing secure coding practices to prevent similar vulnerabilities from emerging in future software deployments.