CVE-2021-26560

Critical

Description

Cleartext transmission of sensitive information vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.

SeverityCritical
CVSS9.0
Exploit probability—
ProductSynology Diskstation Manager
PublishedFeb 26, 2021
First seenFeb 26, 2021
Weakness typeCWE-319CWE-319

How to fix

Update
  • synology diskstation_manager6.2.3-25426-3 or later

Affected products

ProductAffected versionsFixed in
synology diskstation_managerv < 6.2.3-25426-36.2.3-25426-3
synology vs960hd_firmwareNo range specified—
synology skynas_firmwareNo range specified—
synology diskstation_manager_unified_controller3.0—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.