No exploitation reported

CVE-2016-4974

No exploitation reported by the sources we read.

Published2016-07-13
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Apache Qpid AMQP 0-x JMS client before 6.0.4 and JMS (AMQP 1.0) before 0.10.0 does not restrict the use of classes available on the classpath, which might allow remote authenticated users with permission to send messages to deserialize arbitrary objects and execute arbitrary code by leveraging a crafted serialized object in a JMS ObjectMessage that is handled by the getObject function.

Timeline

dates in UTC

2016-07-1315:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-4974?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-4974?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Apache amqp 0-x jms client

Branch	Affected	Fixed in	Source
6.0	≤ 6.0.3	no fix published	NVD

Apache jms client amqp

Branch	Affected	Fixed in	Source
0.9	≤ 0.9.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

qpid.apache.orgVendor Advisory
qpid.apache.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.06read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score6.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2016-07-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-4974?

Is CVE-2016-4974 actively exploited?

Active exploitation of CVE-2016-4974 has not been confirmed. Its EPSS score was 6.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-4974?

CVE-2016-4974 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

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