How severe is CVE-2016-4398?

CVE-2016-4398 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-4398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4398?

CVE-2016-4398 primarily affects Hp Network Node Manager I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4398?

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

When was CVE-2016-4398 published?

CVE-2016-4398 was published on 2018-08-06 and last updated on 2026-06-17.

CVE-2016-4398

CVE-2016-4398 is a high-severity vulnerability in Hp Network Node Manager I with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Hp Network Node Manager I
Published: 2018-08-06
Last modified: 2026-06-17

Description

A remote arbitrary code execution vulnerability was identified in HP Network Node Manager i (NNMi) Software 10.00, 10.01 (patch1), 10.01 (patch 2), 10.10 using Java Deserialization.

Frequently asked questions

What is CVE-2016-4398?: A remote arbitrary code execution vulnerability was identified in HP Network Node Manager i (NNMi) Software 10.00, 10.01 (patch1), 10.01 (patch 2), 10.10 using Java Deserialization.
How severe is CVE-2016-4398?: CVE-2016-4398 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-4398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4398?: CVE-2016-4398 primarily affects Hp Network Node Manager I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-4398 published?: CVE-2016-4398 was published on 2018-08-06 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:hp:network_node_manager_i:10.00:*:*:*:*:*:*:*
cpe:2.3:a:hp:network_node_manager_i:10.01:patch1:*:*:*:*:*:*
cpe:2.3:a:hp:network_node_manager_i:10.01:patch2:*:*:*:*:*:*
cpe:2.3:a:hp:network_node_manager_i:10.10:*:*:*:*:*:*:*

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