VulnerabilityPublished 24 Dec 2025

CVE-2025-66445: Hitachi Infrastructure Analytics Advisor · Missing Authentication

Affects Hitachi Infrastructure Analytics AdvisorSource CVE Database V5

Not known to be exploited · CVSS 7.1 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score

7.1High

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: Low
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 24 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Hitachi Hitachi Infrastructure Analytics Advisor	Affected =0	Fixed in–

AI-suggested

To mitigate CVE-2025-66445, European organizations should: 1) Prioritize upgrading affected Hitachi Infrastructure Analytics Advisor and Ops Center Analyzer installations to version 11.0.5-00 or later once the patch is released by Hitachi. 2) Until patches are available, restrict network access to management and analytics interfaces using firewalls, VPNs, or network segmentation to limit exposure to trusted users only. 3) Implement strict role-based access controls (RBAC) and audit logging on these platforms to detect and prevent unauthorized access attempts. 4) Conduct regular credential hygiene practices, including multi-factor authentication (MFA) for all users with access to these systems, to reduce risk from compromised accounts. 5) Monitor network traffic and system logs for unusual access patterns or privilege escalations related to these analytics tools. 6) Engage with Hitachi support and subscribe to security advisories to receive timely updates and patches. 7) Perform internal security assessments and penetration tests focusing on these analytics platforms to identify potential exploitation paths. These steps go beyond generic advice by emphasizing network-level protections, access control hardening, and proactive monitoring tailored to the affected products and their operational context.

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.

Impact

For European organizations, the impact of CVE-2025-66445 is substantial due to the sensitive nature of data handled by Hitachi Infrastructure Analytics Advisor and Ops Center Analyzer. These platforms often contain detailed operational metrics, configuration data, and performance analytics that, if exposed, could reveal internal network topologies, system vulnerabilities, or business-critical information. Confidentiality breaches could facilitate further targeted attacks, including lateral movement or privilege escalation within enterprise environments. Although integrity and availability impacts are limited, unauthorized access to analytics data can disrupt incident response and operational decision-making. Organizations in sectors such as finance, manufacturing, telecommunications, and critical infrastructure that rely on Hitachi analytics for monitoring are particularly vulnerable. The network-based attack vector means that attackers do not need physical access but require some level of network access and privileges, which could be obtained through phishing or compromised credentials. The absence of known exploits reduces immediate risk but does not eliminate the threat, especially as threat actors often develop exploits for high-value targets. Failure to address this vulnerability could result in regulatory compliance issues under GDPR due to unauthorized data exposure.

CWE-306Missing Authentication for Critical Function (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #21OWASP Top 10 A07:2025: Authentication Failures (opens in a new tab)
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Architecture and Design
Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks…
Architecture and Design
Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment.
OWASP Cheat Sheets
OWASP Authentication (opens in a new tab)
OWASP ASVS 4.0.3
V1.2.3 (opens in a new tab)
V1.2.2 (opens in a new tab)
V1.2.4 (opens in a new tab)
Attack patterns
Choosing Message Identifier (opens in a new tab)
Force the System to Reset Values (opens in a new tab)
Using Unpublished Interfaces or Functionality (opens in a new tab)
Cross Site Request Forgery (opens in a new tab)
Communication Channel Manipulation (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2025-133/index.html (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 24 Dec 2025, 05:12 UTC

WeaknessesCWE-306

Technical details

References

Community reviews

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