How severe is CVE-2025-1978?

CVE-2025-1978 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-1978 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-2025-1978?

CVE-2025-1978 primarily affects Hitachi Virtual Storage One Block. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-1978?

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.

Does CVE-2025-1978 have an EU (EUVD) identifier?

Yes. CVE-2025-1978 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209709.

When was CVE-2025-1978 published?

CVE-2025-1978 was published on 2026-05-07 and last updated on 2026-06-17.

CVE-2025-1978

CVE-2025-1978 is a high-severity vulnerability in Hitachi Virtual Storage One Block with a CVSS 3.x base score of 8.3. 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-94.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209709
Weakness: CWE-94
Affected product: Hitachi Virtual Storage One Block
Published: 2026-05-07
Last modified: 2026-06-17

Description

Remote Code Execution Vulnerability in Hitachi Storage Navigator and the maintenance console in Hitachi Virtual Storage Platform G130, G150, G350, G370, G700, G900, F350, F370, F700, F900, Hitachi Virtual Storage Platform E390, E590, E790, E990, E1090, E390H, E590H, E790H, E1090H, Hitachi Virtual Storage Platform One Block 23, One Block 24, One Block 26, One Block 28. This issue affects Virtual Storage Platform G130, G150, G350, G370, G700, G900, F350, F370, F700, F900, Hitachi Virtual Storage Platform E390, E590, E790, E990, E1090, E390H, E590H, E790H, E1090H, Hitachi Virtual Storage Platform One Block 23, One Block 24, One Block 26, One Block 28 : before DKCMAIN Ver. 88-08-16-xx/00, SVP Ver. 88-08-18-xx/00, before DKCMAIN Ver. 93-07-26-xx/00, SVP Ver. 93-07-26-xx/00, before DKCMAIN Ver. A3-04-02-xx/00, MPC Ver. A3-04-02-xx/00, before DKCMAIN Ver. A3-03-41-xx/00, MPC Ver. A3-03-41-xx/00, before DKCMAIN Ver. A3-03-03-xx/00, MPC Ver. A3-03-03-xx/00.

Frequently asked questions

What is CVE-2025-1978?: Remote Code Execution Vulnerability in Hitachi Storage Navigator and the maintenance console in Hitachi Virtual Storage Platform G130, G150, G350, G370, G700, G900, F350, F370, F700, F900, Hitachi Virtual Storage Platform E390, E590, E790, E990, E1090, E390H, E590H, E790H, E1090H, Hitachi Virtual Storage Platform One Block 23, One Block 24, One Block 26, One Block 28. This issue affects Virtual Storage Platform G130, G150, G350, G370, G700, G900, F350, F370, F700, F900, Hitachi Virtual Storage Platform E390, E590, E790, E990, E1090, E390H, E590H, E790H, E1090H, Hitachi Virtual Storage Platform One Block 23, One Block 24, One Block 26, One Block 28 : before DKCMAIN Ver. 88-08-16-xx/00, SVP Ver. 88-08-18-xx/00, before DKCMAIN Ver. 93-07-26-xx/00, SVP Ver. 93-07-26-xx/00, before DKCMAIN Ver. A3-04-02-xx/00, MPC Ver. A3-04-02-xx/00, before DKCMAIN Ver. A3-03-41-xx/00, MPC Ver. A3-03-41-xx/00, before DKCMAIN Ver. A3-03-03-xx/00, MPC Ver. A3-03-03-xx/00.
How severe is CVE-2025-1978?: CVE-2025-1978 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-1978 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-2025-1978?: CVE-2025-1978 primarily affects Hitachi Virtual Storage One Block. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-1978?: 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.
Does CVE-2025-1978 have an EU (EUVD) identifier?: Yes. CVE-2025-1978 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209709.
When was CVE-2025-1978 published?: CVE-2025-1978 was published on 2026-05-07 and last updated on 2026-06-17.

References

https://www.hitachi.com/products/it/storage-solutions/sec_info/2026/2026_307.html

Affected products (23)

cpe:2.3:a:hitachi:virtual_storage_one_block:23:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:virtual_storage_one_block:24:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:virtual_storage_one_block:26:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:virtual_storage_one_block:28:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_g130_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_g150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_g350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_g370_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_g700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_g900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_f350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_f370_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_f700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_f900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e590_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e790_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e1090_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e390h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e590h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e790h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachi:vsp_e1090h_firmware:-:*:*:*:*:*:*:*

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