CVE-2023-4088: Incorrect Default Permissions vulnerability in Mitsubishi Electric Corporation multiple FA engineering softwar

This month

CRITICAL 9.3MITIGATE

CVE-2023-4088 is a critical-severity flaw (CVSS 9.3) affecting gx works3. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Incorrect Default Permissions vulnerability in Mitsubishi Electric Corporation multiple FA engineering software products allows a malicious local attacker to execute a malicious code, resulting in information disclosure, tampering with and deletion, or a denial-of-service (DoS) condition, if the product is installed in a folder other than the default installation folder.

Why this priority

Critical severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.3 (Critical)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-276
Published	2023-09-20
Last modified	2026-06-17

Publisher (CNA): Mitsubishi Electric Corporation · Vendor: mitsubishielectric

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-09-20 03:15 UTCPublished CVE record published
2026-06-17 06:37 UTCUpdated Record last modified

mitsubishielectric gx works3 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gx-works3 || rpm -q gx-works3 || gx-works3 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-4088?

gx works3: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-4088 being exploited?

CVE-2023-4088 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-4088 affect?

CVE-2023-4088 affects gx works3. Severity is critical (CVSS 9.3). Incorrect Default Permissions vulnerability in Mitsubishi Electric Corporation multiple FA engineering software products allows a malicious local attacker to execute a malicious code, resulting in information disclosure, tampering with and

How urgent is CVE-2023-4088?

Priority 35/100. Critical severity

Software pages

Mitsubishi Electric vulnerabilities

Related CVEs

CVE-2023-6943 CRITICAL 9.8 DOWNGRADE MITIGATE Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Mitsubishi
CVE-2023-6942 HIGH 7.5 DOWNGRADE MITIGATE Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation EZSocket version
CVE-2023-5247 HIGH 7.8 MITIGATE MITIGATE Malicious Code Execution Vulnerability due to External Control of File Name or Path in multiple Mitsubishi Ele

References

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