CVE-2020-1964: Apache Heron

Critical severity, CVSS 9.8. EPSS: 4.8% chance of exploitation in the next 30 days.

It was noticed that Apache Heron 0.20.2-incubating, Release 0.20.1-incubating, and Release v-0.20.0-incubating does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerabilities (CWE-502: Deserialization of Untrusted Data).

Affected products

• Apache Heron: version 0.20.0-incubating only; version 0.20.1-incubating only; version 0.20.2-incubating only

Published 2020-04-16. Last modified 2026-06-17.