CVE-2021-39031 Explained : Impact and Mitigation

IBM WebSphere Application Server - Liberty 17.0.0.3 through 22.0.0.1 has a vulnerability allowing LDAP injection, potentially granting access to unauthorized resources.

Understanding CVE-2021-39031

IBM WebSphere Application Server - Liberty versions 17.0.0.3 to 22.0.0.1 have a security flaw that could be exploited by a remote authenticated attacker.

What is CVE-2021-39031?

The vulnerability allows a remote authenticated attacker to conduct an LDAP injection, potentially leading to unauthorized resource access.

The Impact of CVE-2021-39031

The vulnerability has a CVSSv3 base score of 7.5 (High) with a High impact on confidentiality, integrity, and availability.

Technical Details of CVE-2021-39031

The technical details provide insight into the nature of the vulnerability and its implications.

Vulnerability Description

CVSSv3 Base Score: 7.5 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: Low
Impact: High on confidentiality, integrity, and availability

Affected Systems and Versions

Product: WebSphere Application Server Liberty
Vendor: IBM
Affected Versions: 17.0.0.3, 22.0.0.1

Exploitation Mechanism

An attacker can exploit the vulnerability by using a specially crafted request to conduct an LDAP injection.

Mitigation and Prevention

It is crucial to take immediate and long-term steps to mitigate the risks associated with CVE-2021-39031.

Immediate Steps to Take

Apply the official fix provided by IBM to address the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch the WebSphere Application Server Liberty to prevent security vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates from IBM to patch vulnerabilities promptly.