How severe is CVE-2016-6330?

CVE-2016-6330 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-6330 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6330?

CVE-2016-6330 primarily affects Redhat Jboss Operations Network. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6330?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-6330 published?

CVE-2016-6330 was published on 2016-09-27 and last updated on 2026-06-17.

CVE-2016-6330

CVE-2016-6330 is a critical-severity vulnerability in Redhat Jboss Operations Network with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.0
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Redhat Jboss Operations Network
Published: 2016-09-27
Last modified: 2026-06-17

Description

The server in Red Hat JBoss Operations Network (JON), when SSL authentication is not configured for JON server / agent communication, allows remote attackers to execute arbitrary code via a crafted HTTP request, related to message deserialization. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-3737.

Frequently asked questions

What is CVE-2016-6330?: The server in Red Hat JBoss Operations Network (JON), when SSL authentication is not configured for JON server / agent communication, allows remote attackers to execute arbitrary code via a crafted HTTP request, related to message deserialization. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-3737.
How severe is CVE-2016-6330?: CVE-2016-6330 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-6330 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6330?: CVE-2016-6330 primarily affects Redhat Jboss Operations Network. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6330?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-6330 published?: CVE-2016-6330 was published on 2016-09-27 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:redhat:jboss_operations_network:3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.3.5:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_operations_network:3.3.6:*:*:*:*:*:*:*

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CVE-2015-7501 — Critical (CVSS 9.8): Red Hat JBoss A-MQ 6.x; BPM Suite (BPMS) 6.x; BRMS 6.x and 5.x; Data Grid (JDG) 6.x; Data Virtualization (JDV) 6.x and…
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