CVE-2021-26295 : What You Need to Know

Apache OFBiz has unsafe deserialization prior to version 17.12.06, allowing an unauthenticated attacker to take over the system. Upgrade to at least version 17.12.06 or apply the provided patch.

Understanding CVE-2021-26295

This CVE highlights a remote code execution vulnerability in Apache OFBiz due to Java serialization using RMI.

What is CVE-2021-26295?

Apache OFBiz versions prior to 17.12.06 are affected by an unsafe deserialization vulnerability that allows attackers to execute remote code and take control of the system.

The Impact of CVE-2021-26295

An unauthenticated attacker could exploit this vulnerability to gain control over Apache OFBiz, potentially leading to severe security breaches and unauthorized access.

Technical Details of CVE-2021-26295

The vulnerability arises from unsafe deserialization in Apache OFBiz, allowing attackers to execute arbitrary code using Java serialization and RMI.

Vulnerability Description

The vulnerability in Apache OFBiz allows unauthenticated attackers to execute remote code on the system due to unsafe deserialization processes.

Affected Systems and Versions

Versions 17.12.01 to 17.12.05 of Apache OFBiz are affected by this vulnerability. Users should upgrade to version 17.12.06 or later.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted requests to the affected Apache OFBiz instances, leveraging the Java serialization using RMI.

Mitigation and Prevention

To address CVE-2021-26295, users are advised to take immediate steps and implement long-term security measures.

Immediate Steps to Take

Upgrade Apache OFBiz to version 17.12.06 or higher immediately to mitigate the risk of exploitation. Alternatively, apply the provided patch to secure the system.

Long-Term Security Practices

Regularly update and patch Apache OFBiz to stay protected against known vulnerabilities. Monitor security mailing lists and apply security fixes promptly.

Patching and Updates

Stay informed about security updates and patches released by Apache Software Foundation for Apache OFBiz. Regularly check for new versions and apply updates promptly.