Cloud Defense Logo

Products

Solutions

Company

CVE-2021-21884 : Exploit Details and Defense Strategies

Learn about CVE-2021-21884, a critical OS command injection vulnerability in Lantronix PremierWave 2050 8.9.0.0R4. Understand its impact, technical details, and mitigation steps to secure your systems.

This article discusses the OS command injection vulnerability found in Lantronix PremierWave 2050 8.9.0.0R4, its impact, technical details, and mitigation steps.

Understanding CVE-2021-21884

This section delves into the details of the OS command injection vulnerability affecting Lantronix PremierWave 2050 8.9.0.0R4.

What is CVE-2021-21884?

CVE-2021-21884 is an OS command injection vulnerability in the Web Manager SslGenerateCSR functionality of Lantronix PremierWave 2050 8.9.0.0R4. Attackers can execute arbitrary commands via a specially-crafted HTTP request.

The Impact of CVE-2021-21884

With a CVSS base score of 9.1 (Critical), this vulnerability poses a high risk in terms of confidentiality, integrity, and availability. An attacker can exploit it through an authenticated HTTP request, leading to severe consequences.

Technical Details of CVE-2021-21884

This section highlights the technical aspects of the CVE-2021-21884 vulnerability.

Vulnerability Description

The vulnerability allows attackers to execute arbitrary commands by sending a malicious HTTP request to the Web Manager SslGenerateCSR function of Lantronix PremierWave 2050 8.9.0.0R4.

Affected Systems and Versions

The issue impacts Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU).

Exploitation Mechanism

Attackers can trigger this vulnerability by crafting a specific HTTP request, which, when executed, allows arbitrary command execution.

Mitigation and Prevention

In this section, we outline the steps to mitigate and prevent the exploitation of CVE-2021-21884.

Immediate Steps to Take

Organizations should apply security patches provided by Lantronix promptly. Network filtering and access controls can also limit exposure to this vulnerability.

Long-Term Security Practices

Implementing the principle of least privilege, regularly updating software, and conducting security audits can enhance overall system security.

Patching and Updates

Stay informed about security updates released by Lantronix and promptly apply patches to address CVE-2021-21884.

Popular CVEs

CVE Id

Published Date

Is your System Free of Underlying Vulnerabilities?
Find Out Now