CVE-2020-17083 : Security Advisory and Response

Microsoft Exchange Server Remote Code Execution Vulnerability was published on November 10, 2020, with a CVSS base score of 5.5.

Understanding CVE-2020-17083

This CVE involves a Remote Code Execution vulnerability in Microsoft Exchange Server.

What is CVE-2020-17083?

The CVE-2020-17083 is a Remote Code Execution vulnerability affecting Microsoft Exchange Server.

The Impact of CVE-2020-17083

The vulnerability allows attackers to execute arbitrary code on the target system, potentially leading to complete system compromise.

Technical Details of CVE-2020-17083

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows remote attackers to execute code on the affected system.

Affected Systems and Versions

Microsoft Exchange Server 2019 Cumulative Update 6 (Version 15.02.0)
Microsoft Exchange Server 2016 Cumulative Update 17 (Version 15.01.0)
Microsoft Exchange Server 2019 Cumulative Update 7 (Version 15.02.0)
Microsoft Exchange Server 2016 Cumulative Update 18 (Version 15.01.0)
Microsoft Exchange Server 2013 Cumulative Update 23 (Version 15.00.0)

Exploitation Mechanism

The vulnerability can be exploited remotely by sending a specially crafted request to the target system.

Mitigation and Prevention

Protect your systems from CVE-2020-17083 with the following steps.

Immediate Steps to Take

Apply security updates provided by Microsoft.
Monitor network traffic for any suspicious activity.
Implement strong firewall rules to restrict unauthorized access.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security training for employees to recognize phishing attempts.
Implement network segmentation to limit the impact of potential breaches.

Patching and Updates

Ensure that you regularly check for security updates from Microsoft and apply them promptly.