CVE-2021-40852 : Vulnerability Insights and Analysis

TCMAN GIM is affected by an open redirect vulnerability that allows attackers to redirect user navigation to controlled pages. This CVE has a CVSS base score of 6.1 (Medium severity).

Understanding CVE-2021-40852

This CVE involves an open redirect vulnerability in TCMAN GIM that could potentially lead to information disclosure by remote attackers.

What is CVE-2021-40852?

CVE-2021-40852 is an open redirect vulnerability in TCMAN GIM that permits the attacker to manipulate user navigation and potentially gain sensitive information remotely.

The Impact of CVE-2021-40852

The exploitation of this vulnerability could result in the redirection of user traffic to malicious pages controlled by the attacker, posing a risk of information disclosure.

Technical Details of CVE-2021-40852

This section provides detailed technical insights into the CVE.

Vulnerability Description

TCMAN GIM has an open redirect vulnerability that enables attackers to control user navigation, potentially leading to information disclosure.

Affected Systems and Versions

Product: GIM
Vendor: TCMAN
Affected Versions: 8.0, 11.0

Exploitation Mechanism

The vulnerability allows remote attackers to craft malicious URLs that redirect users to attacker-controlled pages, exposing potential information.

Mitigation and Prevention

Learn how to protect your systems from CVE-2021-40852.

Immediate Steps to Take

Upgrade TCMAN GIM to version 8.0.1 Release 31734, where the vulnerability has been fixed.
Implement URL validation mechanisms to prevent open redirect attacks.
Educate users about phishing attacks that exploit redirection vulnerabilities.

Long-Term Security Practices

Regularly update and patch software to avoid known vulnerabilities.
Monitor and analyze URL redirection behavior on web applications.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate similar vulnerabilities in the future.