Is CVE-2016-2141 in the CISA KEV catalog?

No. CVE-2016-2141 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-2141?

CVE-2016-2141 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2016-2141?

CVE-2016-2141 has an EPSS score of 4.70% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-2141?

Upgrade jgroups to 4.0 or later.

CVE & CISA-KEV Catalog

CVE-2016-2141

CRITICALEPSS 91th pctl

9.8

CVSS v3

NVD

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.

How to fix

Remediation Available

jgroupsNVD

Affected:< 4.0Fixed in:4.0CVE-2016-2141derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

4.70%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch1

oracle.com

Vendor Advisory20

Third-Party Advisory1

securitytracker.com

VDB Entry1

securityfocus.com

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.