CVE-2025-13392

Remote Authentication Bypass via SSO in Synology DSM

Published May 27, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Synology
Synology diskstation Manager
Vendors & Products Synology
Synology diskstation Manager
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Remote Authentication Bypass via SSO in Synology DSM
Type Values Removed Values Added
Description Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN).
Weaknesses CWE-754
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
synology
Published
Updated
May 27, 2026, 1:44 PM
Reserved
Nov 19, 2025, 12:37 AM
Status
Analyzed
Published
May 27, 2026, 9:16 AM
Modified
Oct 7, 2026, 8:10 AM