CVE-2020-11977: Apache Syncope

High severity, CVSS 7.2. EPSS: 2.9% chance of exploitation in the next 30 days.

In Apache Syncope 2.1.X releases prior to 2.1.7, when the Flowable extension is enabled, an administrator with workflow entitlements can use Shell Service Tasks to perform malicious operations, including but not limited to file read, file write, and code execution.

Affected products

• Apache Syncope: from 2.1.0, before 2.1.7 (fixed in 2.1.7)

Published 2020-09-15. Last modified 2026-06-17.