VULNERABILITY INTELLIGENCE
CVE-2021-27649
CVSS score9.8 CRITICAL
EPSS probability2.01%
CISA KEVNot currently listed
Published2021-06-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Use after free vulnerability in file transfer protocol component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via unspecified vectors.
Weakness classification
- security@synology.com: CWE-416
Primary references
- security@synology.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory