CVE-2025-4679
MEDIUM
6.5
CVSS Score
Published: May 16, 2025 at 08:36 AM UTC
Updated: June 17, 2026 at 09:33 AM UTC
1 product affected across 1 vendorActive Backup for Microsoft 365
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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
SSVC
No known exploit
Description
A vulnerability in Synology Active Backup for Microsoft 365 allows remote authenticated attackers to obtain sensitive information via unspecified vectors.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
Vendor Advisory
Source: [email protected]
https://www.synology.com/en-global/security/advisory/Synology_SA_25_06Source: af854a3a-2127-422b-91ae-364da2661108
https://modzero.com/en/blog/when-backups-open-backdoors-synology-active-backup-m365/Source: af854a3a-2127-422b-91ae-364da2661108
https://modzero.com/static/MZ-25-02_modzero_Synology-Active-Backup-M365.pdfSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.5MEDIUMsynology
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-522
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