Security readout for executives and security teams
Plain-English summary
CVE-2025-7737 is a denial-of-service flaw in the 10G iSCSI interface of multiple Hitachi Virtual Storage Platform systems. An unauthenticated network attacker may be able to disrupt storage availability. For organizations running affected VSP arrays, the business risk is service interruption to systems that depend on that storage.
Executive priority
Treat as high priority for environments where Hitachi VSP provides production storage. Schedule remediation through normal storage change controls, but do not defer indefinitely; a successful denial of service could affect dependent business applications.
Technical view
Hitachi reports a CWE-770 resource-allocation issue affecting 10G iSCSI interfaces on listed VSP E, G, F, VX, 5100/5200/5500/5600, and related models before specified DKCMAIN plus CHB(iSCSI) or ISFC versions. CVSS 3.1 is 8.6: AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Likely exposure
Exposure is most likely where affected Hitachi VSP systems have 10G iSCSI interfaces enabled and reachable over storage or data networks. Internet exposure is not stated in the sources and should not be assumed. Environments using these arrays for critical workloads face higher operational impact.
Exploitation context
The CVSS vector indicates network reachability, low complexity, no privileges, and no user interaction. CISA KEV status is false in the provided data, and no cited source states active exploitation or public exploit availability. The known impact is availability disruption, not confidentiality or integrity compromise.
Researcher notes
The public record identifies the vulnerability class and affected version ranges but does not describe root cause details or exploitation mechanics. Analysis should focus on asset/version correlation, iSCSI exposure, and resilience monitoring. Avoid assuming exploit activity without new vendor, KEV, or credible public reporting.
Mitigation direction
- Identify affected Hitachi VSP models in your storage inventory.
- Compare DKCMAIN and CHB(iSCSI) or ISFC versions against Hitachi’s advisory.
- Upgrade to Hitachi-advised fixed versions for the exact model and branch.
- Restrict iSCSI interface reachability to required trusted storage networks.
- Contact Hitachi support if version mapping or upgrade path is unclear.
Validation and detection
- Confirm whether 10G iSCSI interfaces are present and enabled.
- Record exact DKCMAIN, CHB(iSCSI), and ISFC versions.
- Match model and versions to the vendor advisory thresholds.
- Verify storage network segmentation and access controls.
- After remediation, confirm versions meet Hitachi’s fixed-version guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-770: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-7737 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H3.94HitachiVulnerability scoring details
Base CVSS 3.1 score
8.6HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.hitachi.com/products/it/storage-solutions/sec_info/2026/2026_312.htmlCVE reference, Hitachi · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Allocation of Resources Without Limits or Throttling
Allocation of Resources Without Limits or Throttling represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.