CVE-2021-38948 : Security Advisory and Response

IBM InfoSphere Information Server 11.7 is vulnerable to an XML External Entity Injection (XXE) attack, potentially exposing sensitive information. Find out the impact, technical details, and mitigation steps below.

Understanding CVE-2021-38948

This section provides details on the vulnerability identified in IBM InfoSphere Information Server 11.7.

What is CVE-2021-38948?

CVE-2021-38948 involves an XXE attack on IBM InfoSphere Information Server 11.7, enabling a remote attacker to access sensitive data and consume system resources.

The Impact of CVE-2021-38948

The vulnerability carries a CVSS base score of 7.1 (High severity), with potential confidentiality impacts. Attackers could exploit this flaw to compromise data integrity and availability.

Technical Details of CVE-2021-38948

Explore the specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows a remote attacker to perform XML External Entity Injection, leading to potential data exposure and resource consumption.

Affected Systems and Versions

IBM InfoSphere Information Server version 11.7 is susceptible to this security flaw.

Exploitation Mechanism

Exploiting this vulnerability involves injecting malicious XML entities to trigger unauthorized access and data exposure.

Mitigation and Prevention

Learn how to address and prevent the CVE-2021-38948 vulnerability.

Immediate Steps to Take

Apply the official fix provided by IBM to remediate the XXE vulnerability in InfoSphere Information Server 11.7.
Implement network-level controls to filter out potentially malicious XML content.

Long-Term Security Practices

Regularly update and patch IBM InfoSphere Information Server to mitigate potential security risks.
Conduct regular security audits and assessments to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security updates and advisories from IBM to ensure timely protection against emerging threats.