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CVE-2020-36652· NVD / CVE Program· CNA Hitachi

File and Directory Permissions Vulnerability in Hitachi Automation Director, Hitachi Infrastructure Analytics Advisor, Hitachi Ops Center

Incorrect Default Permissions vulnerability in Hitachi Automation Director on Linux, Hitachi Infrastructure Analytics Advisor on Linux (Hitachi Infrastructure Analytics Advisor, Analytics probe server components), Hitachi Ops Center Automator on Linux, Hitachi Ops Center Analyzer on Linux (Hitachi Ops Center Analyzer, Analyzer probe server components), Hitachi Ops Center Viewpoint on Linux (Viewpoint RAID Agent component) allows local users to read and write specific files. This issue affects Hitachi Automation Director: from 8.2.0-00 through 10.6.1-00; Hitachi Infrastructure Analytics Advisor: from 2.0.0-00 through 4.0.0-00; Hitachi Ops Center Automator: before 10.9.1-00; Hitachi Ops Center Analyzer: before 10.9.1-00; Hitachi Ops Center Viewpoint: before 10.9.1-00.

HighCVSS 7.1 · v3.1—No exploit Fix available
Published
Feb 27, 2023
Updated
Jun 16, 2026
EPSS
0.2% · 4th percentile
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JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
7.1
CNA · Hitachi
6.6
0.5 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

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Affected systems

VendorProduct
hitachiautomation director
hitachiinfrastructure analytics advisor
hitachiops center analyzer
hitachiops center automator
hitachiops center viewpoint
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • hitachi automation director8.2.0-00 and later · up to 10.6.1-00 inclusive
  • hitachi infrastructure analytics advisor2.0.0-00 and later · up to 4.0.0-00 inclusive
  • hitachi ops center analyzerbefore 10.9.1-00
  • hitachi ops center automatorbefore 10.9.1-00
  • hitachi ops center viewpointbefore 10.9.1-00

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Hitachi). Independent of NVD's CPE analysis and usually ahead of it.

  • Hitachi Hitachi Automation Director

    • 8.2.0-00 and later · up to and including 10.6.1-00affected

  • Hitachi Hitachi Infrastructure Analytics Advisor

    • 2.0.0-00 and later · up to and including 4.0.0-00affected

  • Hitachi Hitachi Ops Center Analyzer

    • before 10.9.1-00affectedfixed in 10.9.1-00

  • Hitachi Hitachi Ops Center Automator

    • before 10.9.1-00affectedfixed in 10.9.1-00

  • Hitachi Hitachi Ops Center Viewpoint

    • before 10.9.1-00affectedfixed in 10.9.1-00

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Hitachi Hitachi Ops Center Analyzer10.9.1-00Vendor (CNA)
Hitachi Hitachi Ops Center Automator10.9.1-00Vendor (CNA)
Hitachi Hitachi Ops Center Viewpoint10.9.1-00Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-276 · Incorrect Default Permissions

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records