CVE-2020-13383: OS4ED Opensis

High severity, CVSS 7.5. EPSS: 67.8% chance of exploitation in the next 30 days.

openSIS through 7.4 allows Directory Traversal.

Affected products

• OS4ED Opensis: up to and including 7.4

Published 2020-07-01. Last modified 2026-06-17.