CVE-2020-27648: Critical severity Synology Diskstation Manager vulnerability

Published Oct 29, 2020
·
Updated

Improper certificate validation vulnerability in OpenVPN client in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Affected Software

6 affected components
Synology Diskstation Manager>=6.2<6.2.3-25426-2
Synology Skynas Firmware<6.2.3-25426
Synology Skynas
Synology Diskstation Manager>=6.2<6.2.3-25426-2
All of the following
Synology Skynas Firmware<6.2.3-25426
Synology Skynas

Event History

Oct 29, 2020
CVE Published
via MITRE·09:00 AM
Data Sourced
via MITRE·09:00 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is CVE-2020-27648?

CVE-2020-27648 is an improper certificate validation vulnerability in the OpenVPN client in Synology DiskStation Manager (DSM) before version 6.2.3-25426-2.

2

How does CVE-2020-27648 affect Synology DiskStation Manager?

CVE-2020-27648 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

3

Is my Synology DiskStation Manager vulnerable to CVE-2020-27648?

If your Synology DiskStation Manager version is before 6.2.3-25426-2, then it is vulnerable to CVE-2020-27648.

4

How severe is CVE-2020-27648?

CVE-2020-27648 has a severity rating of critical.

5

How can I fix the CVE-2020-27648 vulnerability in Synology DiskStation Manager?

To fix the CVE-2020-27648 vulnerability, you should update your Synology DiskStation Manager to version 6.2.3-25426-2 or later.

Contact

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