CVE-2020-13483 : Security Advisory and Response
Learn about CVE-2020-13483 affecting Bitrix24 through version 20.0.0, allowing XSS attacks via a specific parameter. Find mitigation steps and the importance of applying security patches.
Bitrix24 through version 20.0.0 is vulnerable to XSS attacks via a specific parameter, potentially leading to security breaches.
Understanding CVE-2020-13483
The vulnerability in the Web Application Firewall of Bitrix24 allows for XSS exploitation through a particular parameter.
What is CVE-2020-13483?
The Web Application Firewall in Bitrix24 through version 20.0.0 is susceptible to cross-site scripting (XSS) attacks via the items[ITEMS][ID] parameter in the components/bitrix/mobileapp.list/ajax.php/ URI.
The Impact of CVE-2020-13483
Exploitation of this vulnerability could allow attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized access, data theft, or other security risks.
Technical Details of CVE-2020-13483
The technical aspects of the CVE-2020-13483 vulnerability in Bitrix24.
Vulnerability Description
The Web Application Firewall in Bitrix24 through version 20.0.0 is prone to XSS attacks via the items[ITEMS][ID] parameter in a specific URI.
Affected Systems and Versions
- Product: Bitrix24
- Versions affected: up to 20.0.0
Exploitation Mechanism
Attackers can exploit the XSS vulnerability by injecting malicious scripts into the items[ITEMS][ID] parameter, potentially compromising user data and system integrity.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2020-13483.
Immediate Steps to Take
- Implement input validation mechanisms to sanitize user inputs effectively.
- Regularly monitor and analyze web application logs for any suspicious activities.
- Apply security patches and updates provided by Bitrix24 promptly.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Educate developers and users on secure coding practices and the risks associated with XSS attacks.
Patching and Updates
- Bitrix24 users should apply the latest security patches and updates released by the vendor to address the XSS vulnerability and enhance overall system security.