CVE-2019-17557: Apache Syncope

Medium severity, CVSS 5.4. EPSS: 1.2% chance of exploitation in the next 30 days.

It was found that the Apache Syncope EndUser UI login page prio to 2.0.15 and 2.1.6 reflects the successMessage parameters. By this mean, a user accessing the Enduser UI could execute javascript code from URL query string.

Affected products

• Apache Syncope: from 2.0.0, before 2.0.15 (fixed in 2.0.15); from 2.1.0, before 2.1.6 (fixed in 2.1.6)

Published 2020-05-04. Last modified 2026-06-17.