CVE-2020-17458 : Security Advisory and Response
Learn about CVE-2020-17458, a post-authenticated stored XSS vulnerability in MultiUx v.3.1.12.0. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
A post-authenticated stored XSS vulnerability was discovered in MultiUx v.3.1.12.0, specifically through the /multiux/SaveMailbox LastName field.
Understanding CVE-2020-17458
This CVE involves a post-authenticated stored XSS vulnerability in MultiUx v.3.1.12.0.
What is CVE-2020-17458?
This CVE identifies a post-authenticated stored XSS vulnerability in MultiUx v.3.1.12.0, which can be exploited via the /multiux/SaveMailbox LastName field.
The Impact of CVE-2020-17458
The vulnerability allows attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2020-17458
This section provides technical details about the vulnerability.
Vulnerability Description
A post-authenticated stored XSS vulnerability exists in MultiUx v.3.1.12.0 through the /multiux/SaveMailbox LastName field.
Affected Systems and Versions
- Product: MultiUx
- Version: 3.1.12.0
Exploitation Mechanism
The vulnerability can be exploited by injecting malicious scripts into the LastName field of the /multiux/SaveMailbox endpoint.
Mitigation and Prevention
Protect your systems from CVE-2020-17458 with the following measures:
Immediate Steps to Take
- Disable or restrict access to the vulnerable endpoint.
- Implement input validation to sanitize user-supplied data.
- Monitor and filter user inputs to detect and block malicious scripts.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing.
- Keep software and systems up to date with the latest security patches.
Patching and Updates
- Apply patches or updates provided by the vendor to address the vulnerability.