CVE-2021-26566: Infoleak

Published Feb 26, 2021
·
Updated

Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickConnect traffic.

Affected Software

14 affected components
Synology Diskstation Manager<6.2.3-25426-3
All of the following
Synology Vs960hd Firmware
Synology Vs960hd
All of the following
Synology Skynas Firmware
Synology Skynas
All of the following
Synology Diskstation Manager Unified Controller=3.0
Synology Uc3200
Synology Diskstation Manager<6.2.3-25426-3
Synology Vs960hd Firmware
Synology Vs960hd
Synology Skynas Firmware
Synology Skynas
Synology Diskstation Manager Unified Controller=3.0
Synology Uc3200

Event History

Feb 26, 2021
CVE Published
via MITRE·09:45 PM
Data Sourced
via MITRE·09:45 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is CVE-2021-26566?

CVE-2021-26566 is a vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 that allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickConnect traffic.

2

What software is affected by CVE-2021-26566?

The software affected by CVE-2021-26566 is Synology DiskStation Manager (DSM) before version 6.2.3-25426-3.

3

What is the severity of CVE-2021-26566?

CVE-2021-26566 has a severity value of 9, indicating it is critical.

4

How can the vulnerability in CVE-2021-26566 be exploited?

The vulnerability in CVE-2021-26566 can be exploited by man-in-the-middle attackers through inbound QuickConnect traffic.

5

Where can I find more information about CVE-2021-26566?

You can find more information about CVE-2021-26566 in the Synology security advisory and the Talos Intelligence vulnerability report.

Contact

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