CVE-2021-27573 : Security Advisory and Response

An issue was discovered in Emote Remote Mouse through version 4.0.0.0 where remote unauthenticated users can execute arbitrary code via crafted UDP packets without prior authorization or authentication.

Understanding CVE-2021-27573

This CVE-2021-27573 vulnerability in Emote Remote Mouse allows remote unauthenticated attackers to run arbitrary code by sending specifically crafted UDP packets.

What is CVE-2021-27573?

CVE-2021-27573 is a security flaw in Emote Remote Mouse that permits unauthorized users to remotely execute malicious code through carefully manipulated UDP packets.

The Impact of CVE-2021-27573

The impact of CVE-2021-27573 is severe as it enables attackers to execute arbitrary code without requiring any authentication or prior authorization, leading to potential unauthorized access and control over affected systems.

Technical Details of CVE-2021-27573

This section provides a detailed overview of the technical aspects of CVE-2021-27573.

Vulnerability Description

The vulnerability in Emote Remote Mouse versions up to 4.0.0.0 allows attackers to exploit the software by sending specially crafted UDP packets, which can lead to the execution of arbitrary code on the target system.

Affected Systems and Versions

All versions of Emote Remote Mouse up to and including 4.0.0.0 are impacted by CVE-2021-27573.

Exploitation Mechanism

The exploitation of this vulnerability involves remote unauthenticated users sending malicious UDP packets to the target system, triggering the execution of unauthorized code.

Mitigation and Prevention

To protect systems from CVE-2021-27573, immediate actions need to be taken to mitigate the risk and prevent potential exploitation.

Immediate Steps to Take

It is recommended to update Emote Remote Mouse to the latest secure version and apply patches provided by the vendor. Additionally, restricting network access to the application can help reduce the attack surface.

Long-Term Security Practices

Implementing network segmentation, ensuring proper authentication mechanisms, and regularly updating software are essential for enhancing long-term security posture.

Patching and Updates

Staying informed about security updates released by the vendor and promptly applying patches is crucial to address known vulnerabilities and protect systems from exploitation.