CVE-2020-23966 in Victor
Summary
by MITRE • 05/08/2023
SQL Injection vulnerability in victor cms 1.0 allows attackers to execute arbitrary commands via the post parameter to /post.php in a crafted GET request.
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Analysis
by VulDB Data Team • 01/29/2025
The vulnerability identified as CVE-2020-23966 represents a critical SQL injection flaw within victor cms version 1.0 that exposes the system to remote code execution through improper input validation. This vulnerability specifically affects the /post.php endpoint where the post parameter is processed without adequate sanitization, creating an attack vector that allows malicious actors to inject arbitrary SQL commands into the database layer. The flaw stems from the application's failure to properly escape or parameterize user-supplied input before incorporating it into database queries, which directly violates established security principles for preventing injection attacks.
The technical implementation of this vulnerability manifests when an attacker crafts a malicious GET request containing specially formatted input in the post parameter that bypasses the application's input validation mechanisms. When the application processes this request, it directly incorporates the user-supplied data into SQL query construction without proper sanitization, enabling attackers to manipulate the database query execution flow. This type of vulnerability falls under CWE-89 which specifically addresses SQL injection weaknesses in software applications, and aligns with ATT&CK technique T1190 which covers exploitation of remote services through injection attacks. The attack chain typically involves an attacker sending a crafted request that, when processed by the vulnerable application, results in unauthorized database access and potentially full system compromise.
The operational impact of this vulnerability extends beyond simple data theft to include complete system compromise and potential lateral movement within affected networks. Successful exploitation allows attackers to execute arbitrary database commands, potentially leading to data exfiltration, privilege escalation, and persistent access to the compromised system. Attackers can leverage this vulnerability to retrieve sensitive information from the database, modify or delete data, and potentially establish backdoors for continued access. The vulnerability's exposure through the web interface makes it particularly dangerous as it requires minimal specialized knowledge to exploit and can be automated using common penetration testing tools. Organizations running victor cms 1.0 are at significant risk of unauthorized access, data breaches, and potential regulatory compliance violations due to the severity of the exposed attack surface.
Mitigation strategies for CVE-2020-23966 should prioritize immediate patching of the victor cms application to the latest version that addresses this vulnerability. Organizations should implement proper input validation and parameterized queries throughout their application code to prevent similar issues in other components. Network segmentation and web application firewalls can provide additional layers of protection by monitoring and filtering malicious requests before they reach the vulnerable application. Regular security assessments and code reviews should be conducted to identify and remediate similar injection vulnerabilities across the entire application portfolio. The implementation of proper access controls and database query monitoring can help detect and prevent exploitation attempts. Additionally, organizations should consider implementing automated vulnerability scanning tools that can identify and alert on similar injection vulnerabilities across their infrastructure. Security teams should also establish incident response procedures specifically designed to handle SQL injection attacks and ensure that all personnel understand the importance of proper input validation and parameterized queries in preventing such critical vulnerabilities.