How severe is CVE-2016-4403?

CVE-2016-4403 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-2016-4403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4403?

CVE-2016-4403 affects Hp Keyview. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4403?

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-2016-4403 published?

CVE-2016-4403 was published on 2018-08-06 and last updated on 2026-06-17.

CVE-2016-4403

CVE-2016-4403 is a critical-severity vulnerability in Hp Keyview with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Hp Keyview
Published: 2018-08-06
Last modified: 2026-06-17

Description

A security vulnerability was identified in the Filter SDK component of HP KeyView earlier than v11.2. The vulnerability could be exploited remotely to allow code execution via memory corruption.

Frequently asked questions

What is CVE-2016-4403?: A security vulnerability was identified in the Filter SDK component of HP KeyView earlier than v11.2. The vulnerability could be exploited remotely to allow code execution via memory corruption.
How severe is CVE-2016-4403?: CVE-2016-4403 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-2016-4403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4403?: CVE-2016-4403 affects Hp Keyview. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4403?: 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-2016-4403 published?: CVE-2016-4403 was published on 2018-08-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hp:keyview:*:*:*:*:*:*:*:*

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CVE-2016-4404 — Critical (CVSS 9.8): A security vulnerability was identified in the Filter SDK component of HP KeyView earlier than v11.2. The vulnerability…
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