CVE-2020-4126 Explained : Impact and Mitigation

HCL iNotes is susceptible to a sensitive cookie exposure vulnerability that can be exploited by an unauthenticated remote attacker. This vulnerability affects versions 10.0.1 FP6, 11.0.1 FP2, and later.

Understanding CVE-2020-4126

HCL iNotes has a vulnerability that exposes sensitive cookies, potentially allowing attackers to intercept them remotely.

What is CVE-2020-4126?

The vulnerability in HCL iNotes enables unauthenticated remote attackers to capture sensitive cookies by intercepting their transmission within an HTTP session.

The Impact of CVE-2020-4126

This vulnerability could lead to unauthorized access to sensitive information and compromise user privacy and security.

Technical Details of CVE-2020-4126

HCL iNotes vulnerability details and affected systems.

Vulnerability Description

Vulnerability Type: Sensitive cookie exposure
Attack Vector: Remote
Access: Unauthenticated

Affected Systems and Versions

Product: HCL iNotes
Versions Affected: 10.0.1 FP6, 11.0.1 FP2, and later

Exploitation Mechanism

The vulnerability allows attackers to intercept sensitive cookies transmitted during HTTP sessions, potentially compromising user data.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-4126.

Immediate Steps to Take

Apply available fixes in HCL Domino and iNotes versions 10.0.1 FP6 and 11.0.1 FP2 or later.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update software and apply security patches.
Implement encryption for sensitive data transmission.

Patching and Updates

Stay informed about security updates from HCL and apply them promptly to secure systems.