CVE-2021-21881 Explained : Impact and Mitigation

A command injection vulnerability in the Web Manager Wireless Network Scanner of Lantronix PremierWave 2050 8.9.0.0R4 can allow attackers to execute commands through crafted HTTP requests.

Understanding CVE-2021-21881

This CVE identifies a critical OS command injection flaw in Lantronix PremierWave 2050 8.9.0.0R4.

What is CVE-2021-21881?

CVE-2021-21881 refers to a security issue in Lantronix PremierWave 2050 8.9.0.0R4, enabling attackers to execute commands via malicious HTTP requests.

The Impact of CVE-2021-21881

With a CVSS base score of 9.9 (Critical), this vulnerability poses a high risk to confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2021-21881

This section provides crucial technical insights into the vulnerability.

Vulnerability Description

The flaw allows for OS command injection through the Wireless Network Scanner in Lantronix PremierWave 2050 8.9.0.0R4

Affected Systems and Versions

Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU) is impacted by this vulnerability.

Exploitation Mechanism

An attacker can exploit CVE-2021-21881 by sending specially-crafted HTTP requests to trigger command execution.

Mitigation and Prevention

Learn how to protect your systems from CVE-2021-21881.

Immediate Steps to Take

It is crucial to apply security patches and updates promptly to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Implement network segmentation, least privilege access, and regular security audits to enhance overall system security.

Patching and Updates

Stay informed about security advisories from Lantronix and apply relevant patches as soon as they are available.