CVE-2020-5905 : What You Need to Know
Learn about CVE-2020-5905, a cross-site scripting (XSS) vulnerability in BIG-IP Configuration utility Network > WCCP page. Find out the impact, affected versions, and mitigation steps.
In version 11.6.1-11.6.5.2 of the BIG-IP system Configuration utility Network > WCCP page, the system does not sanitize all user-provided data before display.
Understanding CVE-2020-5905
This CVE involves a cross-site scripting (XSS) vulnerability in the BIG-IP system Configuration utility.
What is CVE-2020-5905?
The vulnerability in the BIG-IP system Configuration utility Network > WCCP page allows for the display of unsanitized user-provided data, potentially leading to XSS attacks.
The Impact of CVE-2020-5905
The lack of data sanitization can enable malicious actors to inject and execute scripts in the context of a user's session, compromising confidentiality and integrity.
Technical Details of CVE-2020-5905
The technical aspects of the vulnerability are as follows:
Vulnerability Description
- XSS vulnerability in the BIG-IP system Configuration utility Network > WCCP page
Affected Systems and Versions
- Product: BIG-IP
- Versions: 11.6.1-11.6.5.2
Exploitation Mechanism
- Attackers can exploit this vulnerability by injecting malicious scripts into user-provided data, which are then displayed without proper sanitization.
Mitigation and Prevention
To address CVE-2020-5905, consider the following steps:
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly
- Implement input validation and output encoding to mitigate XSS risks
Long-Term Security Practices
- Regularly monitor and audit user input for malicious content
- Educate users on safe browsing practices and potential XSS threats
- Employ web application firewalls to detect and block XSS attacks
Patching and Updates
- Stay informed about security advisories from the vendor
- Keep the BIG-IP system updated with the latest patches to address known vulnerabilities