CVE-2025-4679

CVE-2025-4679

CVSS 6.5 MEDIUMEPSS 1.0%CWE-522

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

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

Affected products

Synology · Active Backup for Microsoft 365

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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 https://www.synology.com/en-global/security/advisory/Synology_SA_25_06