CVE-2020-11630 : What You Need to Know

An issue was discovered in EJBCA before 6.15.2.6 and 7.x before 7.3.1.2 where insecure objects can be deserialized when verifying serialized objects sent between nodes.

Understanding CVE-2020-11630

This CVE identifies a vulnerability in EJBCA that could lead to deserialization of insecure objects.

What is CVE-2020-11630?

The vulnerability in EJBCA versions before 6.15.2.6 and 7.x before 7.3.1.2 allows for the deserialization of insecure objects when verifying serialized objects exchanged between nodes.

The Impact of CVE-2020-11630

This vulnerability could potentially be exploited by attackers to execute arbitrary code or perform other malicious activities on affected systems.

Technical Details of CVE-2020-11630

EJBCA's vulnerability involves insecure deserialization of objects, posing a risk to system security.

Vulnerability Description

The issue lies in the verification process of serialized objects transmitted between nodes via the Peers protocol, enabling the deserialization of insecure objects.

Affected Systems and Versions

EJBCA versions before 6.15.2.6
EJBCA 7.x versions before 7.3.1.2

Exploitation Mechanism

Attackers can exploit this vulnerability by sending malicious serialized objects between nodes, triggering insecure deserialization.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2020-11630.

Immediate Steps to Take

Update EJBCA to version 6.15.2.6 or 7.3.1.2, which contain fixes for this vulnerability.
Monitor network traffic for any suspicious activities that could indicate exploitation of the deserialization issue.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Regularly review and update security configurations to address emerging threats.

Patching and Updates

Apply patches and updates provided by EJBCA promptly to ensure the security of the system.