CVE-2023-6457

Local file access via incorrect default permissions

Published Jan 16, 2024 · Updated Oct 23, 2024

Incorrect default permissions in Hitachi Tuning Manager server before 8.8.5-04 allow local users to read and write specific files. Hitachi has not disclosed the affected file paths or the installation operation that assigns overly broad permissions. A low-privileged local Windows account is required, and exploitation exposes or alters those unspecified files without a reported remote path.

CVSS severity6.6
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect default permissions in Hitachi Tuning Manager server before 8.8.5-04 allow local users to read and write specific files. Hitachi has not disclosed the affected file paths or the installation operation that assigns overly broad permissions. A low-privileged local Windows account is required, and exploitation exposes or alters those unspecified files without a reported remote path.

The record

CVE
CVE-2023-6457
Published
Jan 16, 2024
Updated
Oct 23, 2024
Vendor
Hitachi
Product
Hitachi Tuning Manager
Classifications
CWE-276, T1005, T1565.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <8.8.5-04 changes=[{"at":"8.8.5-04","status":"unaffected"}]

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Hitachi · Hitachi Tuning Managerversion=0 <8.8.5-04 changes=[{"at":"8.8.5-04","status":"unaffected"}]

Published CVSS scores

6.6Hitachi, Ltd.CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
7.1NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
T1005Data from Local System
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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