CVE-2025-4679

A vulnerability in Synology Active Backup for Microsoft 365 allows remote authenticated attackers to obtain sensitive information via unspecified vectors.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.synology.com/en-global/security/advisory/Synology_SA_25_06	Vendor Advisory
https://modzero.com/en/blog/when-backups-open-backdoors-synology-active-backup-m365/
https://modzero.com/static/MZ-25-02_modzero_Synology-Active-Backup-M365.pdf

Configurations

Configuration 1 (hide)

cpe:2.3:a:synology:active_backup_for_microsoft_365:-:*:*:*:*:*:*:*

History

02 Jul 2025, 12:15

Type	Values Removed	Values Added
References		() https://modzero.com/en/blog/when-backups-open-backdoors-synology-active-backup-m365/ - () https://modzero.com/static/MZ-25-02_modzero_Synology-Active-Backup-M365.pdf -

30 May 2025, 16:59

Type	Values Removed	Values Added
First Time		Synology Synology active Backup For Microsoft 365
References	~~() https://www.synology.com/en-global/security/advisory/Synology_SA_25_06 -~~	() https://www.synology.com/en-global/security/advisory/Synology_SA_25_06 - Vendor Advisory
CPE		cpe:2.3:a:synology:active_backup_for_microsoft_365:-:::::::*

16 May 2025, 14:42

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad en Synology Active Backup para Microsoft 365 permite a atacantes remotos autenticados obtener información confidencial a través de vectores no especificados.

16 May 2025, 09:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-16 09:15

Updated : 2025-07-02 12:15

NVD link : CVE-2025-4679

Mitre link : CVE-2025-4679

CVE.ORG link : CVE-2025-4679

JSON object : View

Products Affected

synology

active_backup_for_microsoft_365

CWE

CWE-522

Insufficiently Protected Credentials

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