CVE-2020-21993 : Security Advisory and Response
Learn about CVE-2020-21993, a vulnerability in WEMS Limited Enterprise Manager 2.58 allowing arbitrary HTML code execution. Find mitigation steps and long-term security practices here.
WEMS Limited Enterprise Manager 2.58 allows for the execution of arbitrary HTML code through improper sanitization of the 'email' GET parameter.
Understanding CVE-2020-21993
In this CVE, a vulnerability in WEMS Limited Enterprise Manager 2.58 enables the injection of arbitrary HTML code into a user's browser session.
What is CVE-2020-21993?
The vulnerability in WEMS Limited Enterprise Manager 2.58 allows attackers to execute arbitrary HTML code in the context of an affected site by manipulating the 'email' GET parameter.
The Impact of CVE-2020-21993
Exploiting this vulnerability can lead to the execution of malicious HTML code in a user's browser session, potentially compromising sensitive information or performing unauthorized actions.
Technical Details of CVE-2020-21993
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The issue arises from the lack of proper sanitization of user-supplied data in the 'email' GET parameter, enabling attackers to inject and execute arbitrary HTML code.
Affected Systems and Versions
- Product: WEMS Limited Enterprise Manager 2.58
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious input in the 'email' parameter, which, when processed unsafely, allows the execution of unauthorized HTML code.
Mitigation and Prevention
Protecting systems from CVE-2020-21993 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor promptly.
- Implement input validation and sanitization mechanisms to prevent malicious input.
- Monitor and restrict user input that can be used to execute code.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify and address vulnerabilities.
- Educate developers and users on secure coding practices and the risks of improper data handling.
Patching and Updates
- Stay informed about security advisories and updates from the vendor.
- Regularly update and patch software to address known vulnerabilities.