CVE-2021-42310 : What You Need to Know
On December 14, 2021, CVE-2021-42310 was disclosed by Microsoft, exposing a critical Remote Code Execution flaw in Microsoft Defender for IoT. Learn about the impact, technical details, and mitigation steps.
On December 14, 2021, Microsoft disclosed a critical Remote Code Execution vulnerability in Microsoft Defender for IoT.
Understanding CVE-2021-42310
This CVE highlights a significant security issue that allows remote attackers to execute arbitrary code on affected systems.
What is CVE-2021-42310?
The CVE-2021-42310 is a Remote Code Execution vulnerability discovered in Microsoft Defender for IoT, posing a high security risk to affected systems.
The Impact of CVE-2021-42310
This vulnerability has a high severity level with a CVSS base score of 8.1, indicating a critical threat to the security and integrity of devices running vulnerable versions of Microsoft Defender for IoT.
Technical Details of CVE-2021-42310
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows remote attackers to execute arbitrary code on the targeted system, potentially leading to a complete compromise of the device.
Affected Systems and Versions
- Vendor: Microsoft
- Product: Microsoft Defender for IoT
- Affected Version: 22.0.0 (custom version)
- Versions Affected: Less than 10.5.2
- Platforms: Unknown
Exploitation Mechanism
Attackers can exploit this vulnerability remotely over the network, enabling them to run malicious code and potentially take full control of the affected device.
Mitigation and Prevention
Mitigation steps and best practices to protect systems from CVE-2021-42310.
Immediate Steps to Take
- Update Microsoft Defender for IoT to version 10.5.2 or higher to remediate the vulnerability.
- Implement network segmentation to minimize the attack surface.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch all software and firmware on IoT devices.
- Conduct regular security audits and assessments to identify potential vulnerabilities.
Patching and Updates
- Microsoft has released patches addressing the CVE-2021-42310 vulnerability. Ensure all affected systems are updated with the latest security patches.