CVE-2021-20190: Apache Nifi

High severity, CVSS 8.1. EPSS: 7.5% chance of exploitation in the next 30 days.

A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Affected products

• Apache Nifi: from 1.7.0, up to and including 1.12.1
• Debian Debian Linux: version 9.0 only
• Fasterxml Jackson-Databind: before 2.6.7.5 (fixed in 2.6.7.5); from 2.7.0, before 2.9.10.7 (fixed in 2.9.10.7)
• Netapp Active Iq Unified Manager: affected versions not specified
• Netapp Oncommand API Services: affected versions not specified
• Netapp Oncommand Insight: affected versions not specified
• Netapp Service Level Manager: affected versions not specified
• Oracle Commerce Experience Manager: version 11.3.2 only
• Oracle Commerce Guided Search: version 11.3.2 only

Published 2021-01-19. Last modified 2026-07-24.