How severe is CVE-2018-5495?

CVE-2018-5495 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-2018-5495 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5495?

CVE-2018-5495 affects Netapp Storagegrid Webscale. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5495?

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-2018-5495 published?

CVE-2018-5495 was published on 2018-11-14 and last updated on 2026-06-17.

CVE-2018-5495

CVE-2018-5495 is a critical-severity vulnerability in Netapp Storagegrid Webscale 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netapp Storagegrid Webscale
Published: 2018-11-14
Last modified: 2026-06-17

Description

All StorageGRID Webscale versions are susceptible to a vulnerability which could permit an unauthenticated attacker to communicate with systems on the same network as the StorageGRID Webscale Admin Node via HTTP or to take over services on the Admin Node.

Frequently asked questions

What is CVE-2018-5495?: All StorageGRID Webscale versions are susceptible to a vulnerability which could permit an unauthenticated attacker to communicate with systems on the same network as the StorageGRID Webscale Admin Node via HTTP or to take over services on the Admin Node.
How severe is CVE-2018-5495?: CVE-2018-5495 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-2018-5495 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5495?: CVE-2018-5495 affects Netapp Storagegrid Webscale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5495?: 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-2018-5495 published?: CVE-2018-5495 was published on 2018-11-14 and last updated on 2026-06-17.

References

https://security.netapp.com/advisory/ntap-20181114-0001/

Affected products (1)

cpe:2.3:a:netapp:storagegrid_webscale:-:*:*:*:*:*:*:*

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