How severe is CVE-2023-5808?

CVE-2023-5808 has a CVSS 3.x base score of 7.6, 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 low, and availability low.

Is CVE-2023-5808 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5808?

CVE-2023-5808 affects Hitachi Vantara Hitachi Network Attached Storage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5808?

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-2023-5808 published?

CVE-2023-5808 was published on 2023-12-05 and last updated on 2026-06-17.

CVE-2023-5808

CVE-2023-5808 is a high-severity vulnerability in Hitachi Vantara Hitachi Network Attached Storage with a CVSS 3.x base score of 7.6. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.6)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Hitachi Vantara Hitachi Network Attached Storage
Published: 2023-12-05
Last modified: 2026-06-17

Description

SMU versions prior to 14.8.7825.01 are susceptible to unintended information disclosure, through URL manipulation. Authenticated users in a Storage administrative role are able to access HNAS configuration backup and diagnostic data, that would normally be barred to that specific administrative role.

Frequently asked questions

What is CVE-2023-5808?: SMU versions prior to 14.8.7825.01 are susceptible to unintended information disclosure, through URL manipulation. Authenticated users in a Storage administrative role are able to access HNAS configuration backup and diagnostic data, that would normally be barred to that specific administrative role.
How severe is CVE-2023-5808?: CVE-2023-5808 has a CVSS 3.x base score of 7.6, 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 low, and availability low.
Is CVE-2023-5808 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5808?: CVE-2023-5808 affects Hitachi Vantara Hitachi Network Attached Storage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5808?: 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-2023-5808 published?: CVE-2023-5808 was published on 2023-12-05 and last updated on 2026-06-17.

References

https://knowledge.hitachivantara.com/Security/System_Management_Unit_(SMU)_versions_prior_to_14.8.7825.01%2C_used_to_manage_Hitachi_Vantara_NAS_products_are_susceptible_to_unintended_information_disclosure_via_unprivileged_access_to_HNAS_configuration_backup_and_diagnostic_data.

Affected products (1)

cpe:2.3:a:hitachi:vantara_hitachi_network_attached_storage:*:*:*:*:*:*:*:*

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