CVE-2021-38490 : What You Need to Know

Altova MobileTogether Server before 7.3 SP1 is impacted by CVE-2021-38490, allowing XML exponential entity expansion. This vulnerability is distinct from CVE-2021-37425.

Understanding CVE-2021-38490

This section delves into the details of the CVE-2021-38490 vulnerability.

What is CVE-2021-38490?

Altova MobileTogether Server before 7.3 SP1 is susceptible to XML exponential entity expansion, potentially leading to denial of service attacks.

The Impact of CVE-2021-38490

Exploitation of this vulnerability could result in resource exhaustion, causing the application to become unresponsive and disrupting services.

Technical Details of CVE-2021-38490

Explore the technical aspects of the CVE-2021-38490 vulnerability here.

Vulnerability Description

The vulnerability in Altova MobileTogether Server before 7.3 SP1 allows for XML exponential entity expansion, which can be leveraged by attackers for malicious purposes.

Affected Systems and Versions

Altova MobileTogether Server versions before 7.3 SP1 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability through carefully crafted XML requests to trigger the exponential entity expansion.

Mitigation and Prevention

Discover the mitigation strategies and preventive measures against CVE-2021-38490.

Immediate Steps to Take

Users are advised to update Altova MobileTogether Server to version 7.3 SP1 or later to mitigate the vulnerability.

Long-Term Security Practices

Implement security best practices such as input validation and XML size restrictions to enhance resilience against XML entity expansion attacks.

Patching and Updates

Regularly apply security patches and updates provided by Altova to protect against known vulnerabilities.