CVE-2019-20521 Explained : Impact and Mitigation
Learn about CVE-2019-20521, a high-severity reflected cross-site scripting (XSS) vulnerability in ERPNext version 11.1.47. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A detailed overview of the reflected cross-site scripting (XSS) vulnerability in ERPNext version 11.1.47.
Understanding CVE-2019-20521
This CVE involves a reflected XSS vulnerability in ERPNext version 11.1.47 through the PATH_INFO in the api/ URI.
What is CVE-2019-20521?
CVE-2019-20521 is a security vulnerability that allows for reflected cross-site scripting (XSS) attacks in ERPNext version 11.1.47 through the PATH_INFO in the api/ URI.
The Impact of CVE-2019-20521
The vulnerability has a CVSS base score of 7.4, indicating a high severity level with a significant impact on confidentiality.
Technical Details of CVE-2019-20521
Vulnerability Description
- Reflected cross-site scripting (XSS) vulnerability in ERPNext version 11.1.47 through the PATH_INFO in the api/ URI.
Affected Systems and Versions
- Affected version: ERPNext version 11.1.47
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Confidentiality Impact: High
- User Interaction: Required
- Scope: Changed
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation and output encoding to prevent XSS attacks.
- Regularly update ERPNext to the latest version to patch known vulnerabilities.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Educate users on safe browsing practices and the risks of XSS attacks.
Patching and Updates
- Apply security patches provided by ERPNext promptly to mitigate the risk of XSS vulnerabilities.