CVE-2016-2141
JGroups: Authorization bypass
Severity
CriticalRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · June 23, 2016
Updated · August 5, 2026
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Please refer to https://access.redhat.com/articles/2360521 for more information.
CVSS / CWE
CVSS 3.0 · 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 · 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE not specified