CVE-2020-1947: Apache Shardingsphere

Critical severity, CVSS 9.8. EPSS: 33.9% chance of exploitation in the next 30 days.

In Apache ShardingSphere(incubator) 4.0.0-RC3 and 4.0.0, the ShardingSphere's web console uses the SnakeYAML library for parsing YAML inputs to load datasource configuration. SnakeYAML allows to unmarshal data to a Java type By using the YAML tag. Unmarshalling untrusted data can lead to security flaws of RCE.

Affected products

• Apache Shardingsphere: version 4.0.0 only

Published 2020-03-11. Last modified 2026-06-17.