Security readout for executives and security teams
Plain-English summary
CVE-2020-36611 is a local permissions weakness in Hitachi Tuning Manager on Linux. A low-privileged local user could read and write specific files, potentially affecting confidentiality, integrity, and service availability. The issue affects versions before 8.8.5-00.
Executive priority
Treat this as a moderate infrastructure hygiene issue. It is not described as remotely exploitable or actively exploited, but local write access to product files can create service disruption or tampering risk on management systems.
Technical view
The vulnerability is CWE-276, Incorrect Default Permissions, in Hitachi Tuning Manager server and Agent for RAID, NAS, and SAN Switch components on Linux. CVSS 3.1 is 6.6 with local attack vector, low complexity, low privileges required, no user interaction, and high availability impact.
Likely exposure
Exposure is likely limited to Linux hosts running Hitachi Tuning Manager components before 8.8.5-00, especially where many users or service accounts have local access. Internet exposure alone is not indicated by the CVSS vector.
Exploitation context
The source bundle does not indicate active exploitation, and the CVE is not listed as KEV. Exploitation requires local low-privileged access, so risk increases if an attacker already has shell access, stolen credentials, or access through another compromise.
Researcher notes
The public record provides limited technical detail beyond default permissions and affected components. Avoid assuming exact file paths or exploitability beyond local read/write access to specific files. Version scoping before 8.8.5-00 is the key validation point.
Mitigation direction
- Identify all Hitachi Tuning Manager Linux deployments and component versions.
- Upgrade affected installations to 8.8.5-00 or later per Hitachi guidance.
- Restrict local user access on systems running affected components.
- Review vendor advisory for component-specific updates or operational notes.
- Monitor affected hosts for unexpected file changes or service disruption.
Validation and detection
- Confirm whether Hitachi Tuning Manager is installed on Linux hosts.
- Record installed versions for server and RAID, NAS, or SAN Switch agents.
- Verify affected components are not earlier than 8.8.5-00.
- Review permissions on vendor-identified files against Hitachi guidance.
- Check logs for local write activity or unexplained availability events.
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-2020-36611 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-2023-101/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.