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March 19, 2025
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How to Protect Your Vestel EVC04 Configuration Interface from CVE-2024-8997- Critical SQL Injection Vulnerability?


Guide on fixing CVE-2024-8997, an SQL injection vulnerability affecting Vestel EVC04 systems.

The Vestel EVC04 electric vehicle charger is a popular choice for both residential and commercial charging solutions. However, a recently discovered vulnerability, CVE-2024-8997, poses a significant security risk to these chargers. This SQL Injection vulnerability in the Vestel EVC04 Configuration Interface allows attackers to inject malicious SQL commands, potentially leading to unauthorized access and control.

This article is written to guide security professionals in understanding the implications of CVE-2024-8997 and provides actionable steps to mitigate the risk. We will cover the vulnerability details, affected products, and most importantly, how to protect your Vestel EVC04 chargers from exploitation. This guide is geared towards security professionals in DevSecOps, application security, product security, vulnerability management and assessment, penetration testing, red teams, security operations, and engineering teams.

A Short Introduction to Vestel EVC04 Configuration Interface

The Vestel EVC04 Configuration Interface is a web-based interface that allows users to manage and configure their Vestel EVC04 electric vehicle chargers. It provides functionalities such as setting charging schedules, monitoring energy consumption, and managing user access. This interface is essential for administrators to maintain and optimize the performance of the charging infrastructure.

Summary of CVE-2024-8997

  • CVE ID: CVE-2024-8997

  • Description: SQL Injection vulnerability in Vestel EVC04 Configuration Interface that allows attackers to inject malicious SQL commands.

  • CVSS Score: 9.8 (Critical)

  • CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2024-8997 is a critical SQL injection vulnerability affecting the Vestel EVC04 Configuration Interface. The vulnerability stems from the improper neutralization of special elements used in an SQL command. An attacker can exploit this vulnerability by injecting malicious SQL commands into the configuration interface, potentially gaining unauthorized access to the underlying database. The successful exploitation of this vulnerability allows an attacker to execute arbitrary SQL commands, which could lead to data breaches, modification of database records, or complete compromise of the charger's system. The network-based attack vector and lack of required user interaction make this vulnerability easily exploitable, contributing to its high CVSS score.

Impact of CVE-2024-8997

The exploitation of CVE-2024-8997 can have severe consequences for organizations using Vestel EVC04 chargers. An attacker who successfully exploits this vulnerability can:

  • Execute unauthorized SQL commands: This allows the attacker to bypass security measures and interact with the database directly.

  • Compromise database integrity: The attacker can modify or delete critical data within the database, leading to disruptions in service and potential data loss.

  • Gain unauthorized access to sensitive database information: This includes user credentials, configuration settings, and other sensitive data stored within the database.

  • Potentially modify or delete database records: This can lead to the manipulation of charging schedules, user access, and other critical functionalities.

  • Bypass authentication mechanisms: Attackers can bypass login procedures and gain administrative access to the configuration interface.

The vulnerability's critical nature is underscored by its network-based attack vector and the absence of required user interaction, simplifying its exploitation. This combination of factors renders the vulnerability a significant threat, necessitating immediate attention and remediation.

Products Affected by CVE-2024-8997

The following product and version are affected by this SQL Injection vulnerability:

Product Version(s) Affected
Vestel EVC04 Configuration Interface Up to and including 18.03.2025

It's crucial to verify the software version of your Vestel EVC04 chargers to determine if they are vulnerable. Any version up to and including 18.03.2025 is susceptible to this SQL injection flaw. Currently, there are no explicitly listed non-affected products or exempted versions, so it's essential to treat all deployments with versions within the specified range as potentially vulnerable.

How to Check Your Product is Vulnerable?

To determine if your Vestel EVC04 Configuration Interface is vulnerable to CVE-2024-8997, follow these steps:

  1. Access the Configuration Interface: Log in to the web-based configuration interface of your Vestel EVC04 charger.

  2. Identify the Software Version: Navigate to the "About" or "System Information" section of the interface. Locate the software version number.

  3. Vulnerable Parameter Testing: Check for SQL Injection vulnerabilities by attempting to inject SQL code into input fields within the configuration interface. Common areas to test include:

    • Login fields: Try injecting SQL code (e.g., ' OR '1'='1) into the username or password fields.

    • Search fields: Input SQL code into search boxes or filter options.

    • Configuration settings: Attempt to modify settings with SQL injection payloads.

  4. Analyze the Responses: If the application returns database errors or exhibits unexpected behavior, it indicates a potential SQL injection vulnerability.

  5. Example Vulnerable Input (Username Field):

    ' OR '1'='1

    If successful, this could bypass authentication, granting unauthorized access.

  6. Web Application Scanners: Utilize web application vulnerability scanners to automatically identify SQL injection vulnerabilities.

How to Fix CVE-2024-8997?

The primary remediation strategy for CVE-2024-8997 is to apply the vendor-provided security patch. If a patch is not yet available, implement the following workarounds and mitigation strategies.

  1. Apply Vendor-Provided Security Patch: Vestel recommends applying the security patch for EVC04 Configuration Interface versions up to 18.03.2025. Monitor official Vestel channels for the release of this patch and apply it immediately upon availability.

  2. Implement Input Validation and Parameterized Queries:

    • Input Validation: Implement strict input validation on all user-supplied data. Sanitize and validate data to ensure it conforms to expected formats and lengths.

    • Parameterized Queries: Utilize parameterized queries or prepared statements when interacting with the database. This prevents SQL injection by treating user input as data rather than executable code.

  3. Use Prepared Statements:

    • Ensure that all database queries are constructed using prepared statements. Prepared statements enforce a clear separation between code and data, effectively preventing SQL injection attacks.

  4. Apply Web Application Firewall (WAF) Rules:

    • Deploy a Web Application Firewall (WAF) and configure it with rules to detect and block SQL injection attempts. Regularly update WAF rules to address new attack patterns.

  5. Limit Database Account Privileges:

    • Apply the principle of least privilege by granting database accounts only the necessary permissions required for their specific functions. This limits the potential damage from a successful SQL injection attack.

  6. Conduct Thorough Security Assessment of the Configuration Interface:

    • Perform regular security assessments and penetration testing of the Vestel EVC04 Configuration Interface to identify and address potential vulnerabilities.

  7. Monitor Official Channels: Continuously monitor official Vestel channels for any security updates or patches related to this vulnerability. Applying patches promptly is crucial to maintaining the security of your EVC04 chargers.

By implementing these mitigation strategies and staying vigilant for updates from Vestel, you can significantly reduce the risk of CVE-2024-8997 being exploited and protect your Vestel EVC04 charging infrastructure.

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Arun KL

Arun KL is a cybersecurity professional with 15+ years of experience in IT infrastructure, cloud security, vulnerability management, Penetration Testing, security operations, and incident response. He is adept at designing and implementing robust security solutions to safeguard systems and data. Arun holds multiple industry certifications including CCNA, CCNA Security, RHCE, CEH, and AWS Security.

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