How severe is CVE-2016-4373?

CVE-2016-4373 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-2016-4373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4373?

CVE-2016-4373 primarily affects Hp Operations Manager. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4373?

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-2016-4373 published?

CVE-2016-4373 was published on 2016-08-01 and last updated on 2026-06-17.

CVE-2016-4373

CVE-2016-4373 is a critical-severity vulnerability in Hp Operations Manager with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Hp Operations Manager
Published: 2016-08-01
Last modified: 2026-06-17

Description

The AdminUI in HPE Operations Manager (OM) before 9.21.130 on Linux, Unix, and Solaris allows remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections (ACC) library.

Frequently asked questions

What is CVE-2016-4373?: The AdminUI in HPE Operations Manager (OM) before 9.21.130 on Linux, Unix, and Solaris allows remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections (ACC) library.
How severe is CVE-2016-4373?: CVE-2016-4373 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-2016-4373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4373?: CVE-2016-4373 primarily affects Hp Operations Manager. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4373?: 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-2016-4373 published?: CVE-2016-4373 was published on 2016-08-01 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:hp:operations_manager:*:*:*:*:*:linux:*:*
cpe:2.3:a:hp:operations_manager:*:*:*:*:*:solaris:*:*
cpe:2.3:a:hp:operations_manager:*:*:*:*:*:unix:*:*
cpe:2.3:a:hp:operations_manager:9.20.0:*:*:*:linux:*:*:*
cpe:2.3:a:hp:operations_manager:9.20.0:*:*:*:solaris:*:*:*
cpe:2.3:a:hp:operations_manager:9.20.0:*:*:*:unix:*:*:*

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