CVE-2020-7390 : What You Need to Know

Sage X3 Stored XSS Vulnerability on 'Edit' Page of User Profile allows authenticated users to inject XSS strings into specific fields. Updates are available for affected versions of Sage X3.

Understanding CVE-2020-7390

This CVE involves a stored XSS vulnerability in Sage X3, impacting specific versions of the software.

What is CVE-2020-7390?

CVE-2020-7390 is a Cross-site Scripting (XSS) vulnerability in Sage X3, allowing authenticated users to insert malicious scripts into certain fields.

The Impact of CVE-2020-7390

The vulnerability has a CVSS base score of 4.6 (Medium severity) and affects the confidentiality and integrity of the system. However, it requires low privileges and user interaction for exploitation.

Technical Details of CVE-2020-7390

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability allows authenticated users to inject XSS strings into the 'First Name,' 'Last Name,' and 'Email Address' fields on the 'Edit' page of the user profile in Sage X3.

Affected Systems and Versions

Product: X3
Vendor: Sage
Affected Version: V12 (custom version)
Versions Affected: Less than Syracuse 12.10.0

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Scope: Unchanged
Vector String: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Mitigation and Prevention

Protect your systems from CVE-2020-7390 with these mitigation strategies.

Immediate Steps to Take

Apply the available updates for on-premises versions of Sage X3 V12.
Educate users about the risks of XSS attacks and encourage safe browsing practices.

Long-Term Security Practices

Regularly monitor and audit user inputs to detect and prevent XSS vulnerabilities.
Implement web application firewalls and security protocols to mitigate XSS risks.

Patching and Updates

Ensure timely installation of security patches and updates provided by Sage for the affected versions of X3.