CVE Tools
Sign in

CVE-2025-4679

Published: May 16, 2025Updated: Jul 2, 2025 Sources: CVE List NVD BDUCWE-522
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.1%
Top 39.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-522

Affected Products

Active Backup for Microsoft 365Synology
On-prem
Operating Systems / linux-distro
active backup for microsoft 365synology
On-prem
Operating Systems / linux-distro
Synology Active BackupSynology Inc.
On-prem
Hardware Firmware / storage-nas
synologycommercialUSOperating Systemsaka diskstation manager (dsm), router manager
synology inc.commercialUSHardware Firmwareaka synology router manager (srm), diskstation manager (dsm), surveillance station

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Credential Access
View detailed technique mapping

References

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

Timeline

Published
May 16, 2025
Last Updated
Jul 2, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-4679 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows