#VU52354 Command Injection in DiskStation Manager (DSM) - CVE-2021-26566

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Main Vulnerability Database Vulnerabilities #VU52354

#VU52354 Command Injection in DiskStation Manager (DSM) - CVE-2021-26566

Published: April 20, 2021


Vulnerability identifier: #VU52354
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-26566
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
DiskStation Manager (DSM)
Software vendor:
Synology Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to insertion of sensitive information into sent data issue in synorelayd. A remote attacker can perform a man-in-the-middle attack to execute arbitrary commands via inbound QuickConnect traffic.


Remediation

Install updates from vendor's website.

External links