CVE-2021-20416 Explained : Impact and Mitigation
Learn about CVE-2021-20416, a vulnerability in IBM Guardium Data Encryption that could allow remote attackers to access sensitive information. Find out the impact, technical details, mitigation steps, and more.
IBM Guardium Data Encryption (GDE) versions 3.0.0.3 and 4.0.0.4 are vulnerable to an information disclosure issue due to the absence of the HTTPOnly flag, potentially allowing a remote attacker to access sensitive information from cookies.
Understanding CVE-2021-20416
This CVE identifies a security vulnerability in IBM Guardium Data Encryption (GDE) versions 3.0.0.3 and 4.0.0.4 that could be exploited by an attacker to obtain sensitive information.
What is CVE-2021-20416?
CVE-2021-20416 pertains to a flaw in GDE software versions 3.0.0.3 and 4.0.0.4 that could enable a remote attacker to extract critical data by bypassing security controls.
The Impact of CVE-2021-20416
This vulnerability could lead to unauthorized access by malicious actors to sensitive information contained in cookies, potentially compromising data confidentiality.
Technical Details of CVE-2021-20416
This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability in IBM Guardium Data Encryption arises from the failure to enforce the HTTPOnly flag, enabling attackers to retrieve sensitive data from cookies.
Affected Systems and Versions
IBM Guardium Data Encryption versions 3.0.0.3 and 4.0.0.4 are impacted by this security flaw, leaving systems running these versions susceptible to information disclosure.
Exploitation Mechanism
Malicious actors can exploit this vulnerability by leveraging remote techniques to retrieve sensitive information stored in cookies, bypassing security protocols.
Mitigation and Prevention
To safeguard systems from CVE-2021-20416, effective mitigation strategies and ongoing security measures are imperative.
Immediate Steps to Take
Implement security patches provided by IBM to address the vulnerability. Additionally, review and strengthen cookie security settings to mitigate risks.
Long-Term Security Practices
Regular security audits, threat assessments, and security awareness training can enhance the overall security posture and resilience of the system.
Patching and Updates
Stay informed about security updates and patches released by IBM for Guardium Data Encryption to ensure that systems are protected against known vulnerabilities.