CVE-2021-35561 Explained : Impact and Mitigation

A vulnerability in the Java SE and Oracle GraalVM Enterprise Edition products of Oracle Java SE has been identified, allowing unauthorized attackers to compromise these systems.

Understanding CVE-2021-35561

This CVE affects various versions of Java SE JDK and JRE, potentially leading to a denial of service attack.

What is CVE-2021-35561?

The vulnerability in Java SE and Oracle GraalVM Enterprise Edition allows unauthenticated attackers with network access to compromise the affected systems, potentially leading to partial denial of service.

The Impact of CVE-2021-35561

Successful exploitation of this vulnerability can result in unauthorized access with the ability to cause partial denial of service on Java SE and Oracle GraalVM Enterprise Edition.

Technical Details of CVE-2021-35561

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows unauthenticated attackers to compromise Java SE and Oracle GraalVM Enterprise Edition, potentially leading to a partial denial of service.

Affected Systems and Versions

The affected versions include Java SE 7u311, 8u301, 11.0.12, 17, Oracle GraalVM Enterprise Edition 20.3.3, and 21.2.0.

Exploitation Mechanism

The vulnerability can be exploited by unauthenticated attackers with network access via multiple protocols.

Mitigation and Prevention

Protecting systems from CVE-2021-35561 requires immediate action and long-term security practices.

Immediate Steps to Take

Implement security measures to prevent unauthorized access and closely monitor any suspicious activity on Java SE and Oracle GraalVM Enterprise Edition.

Long-Term Security Practices

Regularly update and patch the affected systems to mitigate the risk of exploitation.

Patching and Updates

Stay informed about security updates and patches released by Oracle to address CVE-2021-35561.