CVE-2025-13392

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Summary

CVECVE-2025-13392
StatePUBLISHED
Assignersynology
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 09:16:26 UTC
Updated2026-06-02 20:42:40 UTC
DescriptionImproper 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).

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001160000 probability, percentile 0.298640000 (date 2026-06-08)

Problem Types: CWE-754 | CWE-754 Improper Check for Unusual or Exceptional Conditions

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Synology Diskstation Manager All All All All
Operating System Synology Diskstation Manager All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Synology DiskStation Manager DSM affected 7.3 7.3.1-86003-1 semver Not specified
CNA Synology DiskStation Manager DSM affected 7.2.2 7.2.2-72806-5 semver Not specified
CNA Synology DiskStation Manager DSM unaffected 7.2.1 7.2.1.* semver Not specified
CNA Synology DiskStation Manager DSM unknown 7.2.1 semver Not specified

References

ReferenceSourceLinkTags
www.synology.com/en-global/security/advisory/Synology_SA_25_14 [email protected] www.synology.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Le Trong Phuc (chanze@VRC) and Cao Ngoc Quy (Chino Kafuu) (en)

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