CVE-2020-2778 : Security Advisory and Response

A vulnerability in Oracle Java SE allows unauthorized access to sensitive data, affecting versions 11.0.6 and 14.

Understanding CVE-2020-2778

This CVE involves a vulnerability in the Java SE product of Oracle Java SE, impacting versions 11.0.6 and 14.

What is CVE-2020-2778?

The vulnerability in the Java SE product of Oracle Java SE (component: JSSE) allows unauthenticated attackers with network access via HTTPS to compromise Java SE. Successful exploitation can lead to unauthorized read access to Java SE data.

The Impact of CVE-2020-2778

Confidentiality impact with a CVSS 3.0 Base Score of 3.7
Attack Complexity: High
Attack Vector: Network
Confidentiality Impact: Low
Integrity Impact: None
No privileges required
Scope: Unchanged
User Interaction: None

Technical Details of CVE-2020-2778

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows unauthenticated attackers to compromise Java SE via HTTPS, potentially leading to unauthorized data access.

Affected Systems and Versions

Product: Java
Vendor: Oracle Corporation
Affected Versions: Java SE 11.0.6, 14

Exploitation Mechanism

The vulnerability can be exploited through sandboxed Java Web Start applications, sandboxed Java applets, or by supplying data to APIs in the specified component.

Mitigation and Prevention

Protect your systems from CVE-2020-2778 with these steps:

Immediate Steps to Take

Apply security patches promptly
Monitor and restrict network access
Implement strong authentication mechanisms

Long-Term Security Practices

Regularly update Java SE to the latest version
Conduct security training for developers and users
Implement network segmentation and access controls

Patching and Updates

Stay informed about security updates and patches released by Oracle to address CVE-2020-2778.