CVE-2021-42130 : What You Need to Know

A deserialization of untrusted data vulnerability in Ivanti Avalanche before version 6.3.3 allows arbitrary code execution.

Understanding CVE-2021-42130

This CVE involves a critical vulnerability in Ivanti Avalanche that can lead to arbitrary code execution by an attacker with access to the Inforail Service.

What is CVE-2021-42130?

A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3, enabling attackers to execute arbitrary code.

The Impact of CVE-2021-42130

Exploitation of this vulnerability could result in unauthorized arbitrary code execution in affected systems, potentially leading to further compromise and data breaches.

Technical Details of CVE-2021-42130

This section delves into the technical specifics of the CVE.

Vulnerability Description

The vulnerability in Ivanti Avalanche before 6.3.3 stems from deserializing untrusted data, opening avenues for attackers to execute malicious code.

Affected Systems and Versions

Product: Ivanti Avalanche
Version: 6.3.3

Exploitation Mechanism

The vulnerability allows attackers with access to the Inforail Service to carry out arbitrary code execution, posing a considerable security risk to affected systems.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial in mitigating this vulnerability.

Immediate Steps to Take

Patch affected systems to the latest version (6.3.3) of Ivanti Avalanche.
Restrict access to the Inforail Service to authorized personnel only.

Long-Term Security Practices

Regularly update and patch software to address potential vulnerabilities.
Conduct security audits and assessments to identify and mitigate risks proactively.

Patching and Updates

Ensure timely deployment of security patches and updates to safeguard systems against known vulnerabilities.