CVE-2021-34808: Synology Media Server

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before 1.8.3-2881 allows remote attackers to access intranet resources via unspecified vectors.

Affected products

• Synology Media Server: before 1.8.3-2881 (fixed in 1.8.3-2881)

Published 2021-06-18. Last modified 2026-06-17.