CVE-2021-35496 Explained : Impact and Mitigation
Discover insights into the CVE-2021-35496 vulnerability affecting TIBCO JasperReports Server, its impact, affected versions, and mitigation strategies to secure your systems.
A vulnerability known as TIBCO JasperReports XML Eternal Entity (XXE) has been identified in TIBCO JasperReports Server, affecting various versions and components. This article provides insights into the nature of the vulnerability, its impact, technical details, and mitigation strategies.
Understanding CVE-2021-35496
This section delves into the details of the CVE-2021-35496 vulnerability affecting TIBCO JasperReports Server.
What is CVE-2021-35496?
The XMLA Connections component of TIBCO JasperReports Server contains a vulnerability that allows a low privileged attacker to interfere with XML processing, posing a security risk.
The Impact of CVE-2021-35496
The vulnerability, with a CVSS base score of 7.5 (High), can lead to unauthorized data access and manipulation, as well as potential denial of service (DOS) on affected systems.
Technical Details of CVE-2021-35496
This section outlines the technical specifics of the CVE-2021-35496 vulnerability.
Vulnerability Description
The vulnerability in the XMLA Connections component enables a low privileged attacker to disrupt XML processing.
Affected Systems and Versions
TIBCO JasperReports Server versions 7.2.1 and below, 7.5.0, 7.5.1, 7.8.0, 7.9.0, Community Edition 7.8.0 and below, Developer Edition 7.9.0 and below, AWS Marketplace 7.9.0 and below, ActiveMatrix BPM 7.9.0 and below, and Microsoft Azure 7.8.0 are affected.
Exploitation Mechanism
The vulnerability has a high attack complexity and impact, with low privileges required for exploitation and availability, confidentiality, and integrity impacts.
Mitigation and Prevention
This section focuses on measures to mitigate the risks posed by CVE-2021-35496.
Immediate Steps to Take
Apply patches provided by TIBCO to update affected components to secure versions promptly.
Long-Term Security Practices
Enhance network security measures, monitor for unusual network activities, and conduct regular security audits.
Patching and Updates
TIBCO has released updated versions of the affected components with security patches. Update to TIBCO JasperReports Server versions 7.2.2 or later, 7.5.2 or later, 7.8.1 or later, 7.9.1 or later, Community Edition 7.8.1 or later, Developer Edition 7.9.1 or later, AWS Marketplace 7.9.1 or later, ActiveMatrix BPM 7.9.1 or later, and Microsoft Azure 7.9.1 or later.