CVE-2020-4740 : What You Need to Know

IBM InfoSphere Information Server versions 11.5 and 11.7 are vulnerable to HTML injection, allowing remote attackers to execute malicious code in the victim's web browser.

Understanding CVE-2020-4740

IBM InfoSphere Information Server 11.5 and 11.7 are susceptible to HTML injection, posing a security risk.

What is CVE-2020-4740?

CVE-2020-4740 is a vulnerability in IBM InfoSphere Information Server versions 11.5 and 11.7 that enables remote attackers to inject malicious HTML code.

The Impact of CVE-2020-4740

Attack Complexity: Low
Attack Vector: Adjacent Network
Base Score: 5.2 (Medium)
Confidentiality Impact: Low
Integrity Impact: Low
User Interaction: Required
Exploit Code Maturity: Unproven
Scope: Changed
Vector String: CVSS:3.0/AV:A/AC:L/PR:N/A:N/C:L/S:C/UI:R/I:L/RL:O/E:U/RC:C

Technical Details of CVE-2020-4740

IBM InfoSphere Information Server vulnerability specifics.

Vulnerability Description

The vulnerability allows remote attackers to inject malicious HTML code, executed within the victim's web browser's security context.

Affected Systems and Versions

Product: InfoSphere Information Server
Vendor: IBM
Vulnerable Versions: 11.5, 11.7

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious HTML code that executes within the victim's web browser.

Mitigation and Prevention

Protecting systems from CVE-2020-4740.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor for any unusual web browser behavior.
Educate users on safe browsing practices.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement web application firewalls to filter and monitor HTTP traffic.
Conduct regular security assessments and penetration testing.

Patching and Updates

Ensure all InfoSphere Information Server instances are updated with the latest security patches.