Security readout for executives and security teams
Plain-English summary
This vulnerability affects specific Hitachi infrastructure management products on Linux. A local user could read and modify certain files because default permissions are too broad. The main business risk is disruption or tampering of operational management tooling, especially where many administrators or service accounts share the host.
Executive priority
Prioritize remediation in environments where Hitachi management servers are shared, highly privileged, or operationally critical. This is not currently evidenced as actively exploited, but file tampering could affect availability of infrastructure management functions.
Technical view
CVE-2020-36652 is CWE-276 incorrect default permissions. CVSS 3.1 is 6.6, with local access, low complexity, low privileges, no user interaction, low confidentiality and integrity impact, and high availability impact. Affected products include Hitachi Automation Director, Infrastructure Analytics Advisor, Ops Center Automator, Analyzer, and Viewpoint on Linux.
Likely exposure
Exposure is limited to Linux deployments of the named Hitachi products in the affected version ranges. The CVSS vector indicates local, authenticated access is required, so risk is highest on shared administration servers or hosts where another weakness has already provided local access.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Treat this as a local post-access risk, not a confirmed internet-facing exploitation campaign.
Researcher notes
Key constraints are local attack vector and low required privileges. The source bundle does not identify the exact files, exploit primitives, or vendor workaround details, so validation should stay aligned with Hitachi's advisory and installed product versions.
Mitigation direction
- Review Hitachi advisory HITACHI-SEC-2023-106 for product-specific update guidance.
- Upgrade affected Hitachi Ops Center components to non-affected releases where available.
- For Automation Director and Infrastructure Analytics Advisor, follow Hitachi's stated remediation path.
- Restrict local shell access to affected Linux hosts.
- Review file permissions only according to vendor-supported guidance.
Validation and detection
- Inventory Linux hosts running the affected Hitachi products and components.
- Compare installed versions against the affected ranges in the CVE record.
- Check whether affected hosts allow non-administrative local user access.
- Confirm remediation status against Hitachi advisory HITACHI-SEC-2023-106.
- Record compensating access controls where upgrades are not immediately available.
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-276: 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-2020-36652 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
- Medium
- CVSS
- 6.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/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.
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:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H1.84.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.6MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2023-106/index.htmlCVE reference · 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.
Incorrect Default Permissions
Incorrect Default Permissions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.