CVE-2022-27617: Synology Calendar

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology Calendar before 2.3.4-0631 allows remote authenticated users to download arbitrary files via unspecified vectors.

Affected products

• Synology Calendar: before 2.3.4-0631 (fixed in 2.3.4-0631)

Published 2022-08-03. Last modified 2026-06-17.