How severe is CVE-2025-66445?

CVE-2025-66445 has a CVSS 3.x base score of 7.1, 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 none.

Is CVE-2025-66445 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66445?

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-2025-66445 have an EU (EUVD) identifier?

Yes. CVE-2025-66445 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205033.

When was CVE-2025-66445 published?

CVE-2025-66445 was published on 2025-12-24 and last updated on 2026-06-17.

CVE-2025-66445

CVE-2025-66445 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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-306.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205033
Weakness: CWE-306
Published: 2025-12-24
Last modified: 2026-06-17

Description

Authorization bypass vulnerability in Hitachi Infrastructure Analytics Advisor (Data Center Analytics component) and Hitachi Ops Center Analyzer (Hitachi Ops Center Analyzer detail view component).This issue affects Hitachi Infrastructure Analytics Advisor:; Hitachi Ops Center Analyzer: from 10.0.0-00 before 11.0.5-00.

Frequently asked questions

What is CVE-2025-66445?: Authorization bypass vulnerability in Hitachi Infrastructure Analytics Advisor (Data Center Analytics component) and Hitachi Ops Center Analyzer (Hitachi Ops Center Analyzer detail view component).This issue affects Hitachi Infrastructure Analytics Advisor:; Hitachi Ops Center Analyzer: from 10.0.0-00 before 11.0.5-00.
How severe is CVE-2025-66445?: CVE-2025-66445 has a CVSS 3.x base score of 7.1, 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 none.
Is CVE-2025-66445 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-66445?: 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-2025-66445 have an EU (EUVD) identifier?: Yes. CVE-2025-66445 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205033.
When was CVE-2025-66445 published?: CVE-2025-66445 was published on 2025-12-24 and last updated on 2026-06-17.

References

https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2025-133/index.html

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