What’s Vulnerable › Vulnerabilities

CVE-2025-4679

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-16 · updated 2026-06-17
• Weakness: CWE-522

Description

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

Affected products

• Synology Active Backup for Microsoft 365: all versions

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

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