How severe is CVE-2023-4088?

CVE-2023-4088 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-4088 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4088?

CVE-2023-4088 affects Mitsubishielectric Gx Works3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4088?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-4088 published?

CVE-2023-4088 was published on 2023-09-20 and last updated on 2026-06-17.

CVE-2023-4088

CVE-2023-4088 is a critical-severity vulnerability in Mitsubishielectric Gx Works3 with a CVSS 3.x base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Mitsubishielectric Gx Works3
Published: 2023-09-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-4088?: 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.
How severe is CVE-2023-4088?: CVE-2023-4088 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-4088 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4088?: CVE-2023-4088 affects Mitsubishielectric Gx Works3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4088?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-4088 published?: CVE-2023-4088 was published on 2023-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mitsubishielectric:gx_works3:*:*:*:*:*:*:*:*

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