CVE-2025-4679

EUVD-2025-15423
A vulnerability in Synology Active Backup for Microsoft 365 allows remote authenticated attackers to obtain sensitive information via unspecified vectors.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
synologyCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
Affected Products (NVD)
VendorProductVersion
synologyactive_backup_for_microsoft_365
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.synology.com/en-global/security/advisory/Synology_SA_25_06
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