CVE-2023-1547 in Parkmatik
Summary
by MITRE • 07/13/2023
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Elra Parkmatik allows SQL Injection through SOAP Parameter Tampering, Command Line Execution through SQL Injection.
This issue affects Parkmatik: before 02.01-a51.
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Analysis
by VulDB Data Team • 06/01/2026
The vulnerability identified as CVE-2023-1547 represents a critical SQL injection flaw within the Elra Parkmatik software system, specifically manifesting through SOAP parameter tampering techniques. This weakness allows malicious actors to manipulate input parameters transmitted via SOAP interfaces, thereby enabling unauthorized access to underlying database systems. The vulnerability resides in the improper neutralization of special elements within SQL commands, creating a pathway for attackers to execute arbitrary SQL statements against the target database infrastructure. The affected version range encompasses all releases prior to 02.01-a51, indicating that organizations utilizing older iterations of the Parkmatik platform remain susceptible to this exploitation vector.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization mechanisms within the SOAP parameter processing framework. When legitimate users submit requests through SOAP interfaces, the system fails to properly escape or filter special SQL characters and operators that could alter the intended database query structure. This allows attackers to inject malicious SQL code that gets executed within the database context, potentially leading to complete database compromise. The vulnerability classification aligns with CWE-89, which specifically addresses SQL injection weaknesses where untrusted data is incorporated into SQL commands without proper sanitization. The ATT&CK framework categorizes this as a database attack technique under the T1190 category, which encompasses exploitation of vulnerabilities in database management systems.
The operational impact of this vulnerability extends beyond simple data theft, as it enables command line execution through SQL injection attacks. Attackers can leverage the compromised database connection to execute system commands directly on the underlying operating system, effectively elevating their privileges from database-level access to system-level control. This capability significantly amplifies the potential damage, as it allows for lateral movement within the network infrastructure, privilege escalation, and potential establishment of persistent backdoors. Organizations utilizing the affected Parkmatik versions face risks of complete system compromise, data exfiltration, and service disruption. The vulnerability's exploitation through SOAP interfaces suggests that it may affect distributed systems where web services communicate across multiple network boundaries, potentially exposing organizations to attacks originating from external network segments.
Mitigation strategies for CVE-2023-1547 require immediate implementation of the vendor-provided patch version 02.01-a51, which addresses the root cause of the SQL injection vulnerability through proper input sanitization and parameter binding mechanisms. Organizations should implement comprehensive input validation at all SOAP interface endpoints, utilizing prepared statements and parameterized queries to prevent malicious SQL code execution. Network segmentation and access control measures should be strengthened to limit exposure of SOAP services to unauthorized users, while implementing robust monitoring and logging of database activities to detect potential exploitation attempts. Additionally, organizations should conduct thorough vulnerability assessments of their entire software ecosystem to identify similar weaknesses in other components that may present analogous attack vectors, ensuring comprehensive protection against related SQL injection vulnerabilities. The remediation process must include verification testing to confirm that all SOAP parameters are properly sanitized and that the patched version functions correctly within the organization's specific deployment environment.