CVE-2020-5016 Explained : Impact and Mitigation
Learn about CVE-2020-5016 affecting IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0. Understand the impact, technical details, and mitigation steps for this directory traversal vulnerability.
IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 are susceptible to a directory traversal vulnerability that could be exploited by a remote attacker. This CVE was published on March 9, 2021.
Understanding CVE-2020-5016
This CVE affects IBM's WebSphere Application Server, potentially allowing attackers to view arbitrary XML files on the system through specially-crafted URL requests.
What is CVE-2020-5016?
CVE-2020-5016 is a vulnerability in IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 that enables remote attackers to traverse directories on the system.
The Impact of CVE-2020-5016
- CVSS Score: 5.3 (Medium)
- Attack Vector: Network
- Confidentiality Impact: High
- Exploit Code Maturity: Unproven
- Privileges Required: Low
- Remediation Level: Official Fix
- Report Confidence: Confirmed
Technical Details of CVE-2020-5016
This section provides detailed technical information about the vulnerability.
Vulnerability Description
When application security is disabled and JAX-RPC applications are present, attackers can exploit the vulnerability by sending crafted URL requests containing directory traversal sequences.
Affected Systems and Versions
- IBM WebSphere Application Server 7.0
- IBM WebSphere Application Server 8.0
- IBM WebSphere Application Server 8.5
- IBM WebSphere Application Server 9.0
Exploitation Mechanism
Attackers can send specially-crafted URL requests with directory traversal sequences to view arbitrary XML files on the system when application security is disabled.
Mitigation and Prevention
Protect your systems from CVE-2020-5016 with the following steps:
Immediate Steps to Take
- Enable application security to prevent the exploitation of this vulnerability.
- Apply official fixes provided by IBM.
Long-Term Security Practices
- Regularly update and patch your WebSphere Application Server.
- Implement secure coding practices to prevent directory traversal vulnerabilities.
Patching and Updates
Ensure that you apply the necessary patches and updates provided by IBM to address CVE-2020-5016.