CVE Database›Document archive›CVE-2016-2141

CVE-2016-2141

JGroups: Authorization bypass

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Severity

Critical

Red Hat Product Security

9.8

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 · 9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0 · 7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P

CWE not specified