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8.8

Synology DiskStation Manager lets logged‑in users change passwords freely

CVE-2018-8916 · published 8 years ago
Summary

If you run Synology DiskStation Manager version earlier than 6.2‑23739, a user who is already logged in can change any account's password without confirming the change. This could let an attacker who gains access to a valid account take over other accounts. Update DSM to the latest version or apply the vendor's security patch as soon as possible.

What to do
  • Update synology diskstation_manager to version 6.2-23739 or later.
Affected software
VendorProductAffected versions
synology diskstation_manager < 6.2-23739
cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*
Original advisory text
Unverified password change vulnerability in Change Password in Synology DiskStation Manager (DSM) before 6.2-23739 allows remote authenticated users to reset password without verification.
Unverified password change vulnerability in Change Password in Synology DiskStation Manager (DSM) before 6.2-23739 allows remote authenticated users to reset password without verification.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-620Unverified Password Change
CWE-640Weak Password Recovery Mechanism for Forgotten Password
Timeline
Published8 Jun 2018
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2018-8916 · NVD
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