How severe is CVE-2017-7458?

CVE-2017-7458 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-7458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7458?

CVE-2017-7458 affects Ntop Ntopng. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7458?

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-2017-7458 published?

CVE-2017-7458 was published on 2017-06-26 and last updated on 2026-06-17.

CVE-2017-7458

CVE-2017-7458 is a high-severity vulnerability in Ntop Ntopng with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Ntop Ntopng
Published: 2017-06-26
Last modified: 2026-06-17

Description

The NetworkInterface::getHost function in NetworkInterface.cpp in ntopng before 3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty field that should have contained a hostname or IP address.

Frequently asked questions

What is CVE-2017-7458?: The NetworkInterface::getHost function in NetworkInterface.cpp in ntopng before 3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty field that should have contained a hostname or IP address.
How severe is CVE-2017-7458?: CVE-2017-7458 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-7458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7458?: CVE-2017-7458 affects Ntop Ntopng. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7458?: 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-2017-7458 published?: CVE-2017-7458 was published on 2017-06-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ntop:ntopng:*:*:*:*:*:*:*:*

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