Vulnerability · Published May 16, 2025 · Assigned by synology
CVE-2025-4679
Medium 6.5
In plain English
A medium-severity security flaw in Active Backup for Microsoft 365 from Synology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.1%top 34.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
A vulnerability in Synology Active Backup for Microsoft 365 allows remote authenticated attackers to obtain sensitive information via unspecified vectors.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Synology | Active Backup for Microsoft 365 | N/A |
Weakness: CWE-522 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N