CVE-2016-2141: Red Hat JBoss Enterprise Application Platform

Critical severity, CVSS 9.8. EPSS: 4.7% chance of exploitation in the next 30 days.

It was found that JGroups did not require necessary headers for encrypt and auth protocols from new nodes joining the cluster. An attacker could use this flaw to bypass security restrictions, and use this vulnerability to send and receive messages within the cluster, leading to information disclosure, message spoofing, or further possible attacks.

Affected products

• Red Hat JBoss Enterprise Application Platform: version 5.2 only; version 6.4 only; version 7.0 only
• Red Hat Jgroups: before 4.0 (fixed in 4.0)

Published 2016-06-30. Last modified 2026-06-17.