CVE-2021-35586 Explained : Impact and Mitigation

A vulnerability in Java SE and Oracle GraalVM Enterprise Edition allows an unauthenticated attacker to compromise the system and cause denial of service. This article provides insights into the impact, technical details, and mitigation steps related to CVE-2021-35586.

Understanding CVE-2021-35586

This section delves into the details surrounding CVE-2021-35586.

What is CVE-2021-35586?

CVE-2021-35586 is a vulnerability present in Java SE and Oracle GraalVM Enterprise Edition, affecting versions Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. It permits an unauthenticated attacker to compromise the systems, potentially resulting in a partial denial of service.

The Impact of CVE-2021-35586

This vulnerability poses a medium severity threat with a CVSS 3.1 base score of 5.3. Attackers can exploit it through network access, leading to unauthorized partial denial of service incidents in affected systems.

Technical Details of CVE-2021-35586

This section outlines the technical aspects of CVE-2021-35586.

Vulnerability Description

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

Affected Systems and Versions

Java SE versions impacted include 7u311, 8u301, 11.0.12, 17, along with Oracle GraalVM Enterprise Edition versions 20.3.3 and 21.2.0.

Exploitation Mechanism

The vulnerability can be exploited by unauthenticated attackers with network access, potentially causing a partial denial of service in Java SE and Oracle GraalVM Enterprise Edition.

Mitigation and Prevention

This section provides guidance on mitigating the risks associated with CVE-2021-35586.

Immediate Steps to Take

Users are advised to apply security patches promptly, restrict network access to affected systems, and monitor any unusual activities that may signal exploitation.

Long-Term Security Practices

Implementing robust security measures, conducting regular security assessments, and staying informed about updates and patches are essential for long-term risk reduction.

Patching and Updates

Regularly update Java SE and Oracle GraalVM Enterprise Edition to the latest versions, as patches often include security improvements that address known vulnerabilities.