VULNERABILITY INTELLIGENCE
CVE-2021-34809
CVSS score9.9 CRITICAL
EPSS probability1.93%
CISA KEVNot currently listed
Published2021-06-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Description
Improper neutralization of special elements used in a command ('Command Injection') vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to execute arbitrary code via unspecified vectors.
Weakness classification
- security@synology.com: CWE-77
Primary references
- security@synology.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory