How severe is CVE-2023-5247?

CVE-2023-5247 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-5247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5247?

CVE-2023-5247 primarily affects Mitsubishielectric Gx Works3. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-5247?

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

When was CVE-2023-5247 published?

CVE-2023-5247 was published on 2023-11-30 and last updated on 2026-06-17.

CVE-2023-5247

CVE-2023-5247 is a high-severity vulnerability in Mitsubishielectric Gx Works3 with a CVSS 3.x base score of 7.8. 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-610.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-610
Affected product: Mitsubishielectric Gx Works3
Published: 2023-11-30
Last modified: 2026-06-17

Description

Malicious Code Execution Vulnerability due to External Control of File Name or Path in multiple Mitsubishi Electric FA Engineering Software Products allows a malicious attacker to execute a malicious code by having legitimate users open a specially crafted project file, which could result in information disclosure, tampering and deletion, or a denial-of-service (DoS) condition.

Frequently asked questions

What is CVE-2023-5247?: Malicious Code Execution Vulnerability due to External Control of File Name or Path in multiple Mitsubishi Electric FA Engineering Software Products allows a malicious attacker to execute a malicious code by having legitimate users open a specially crafted project file, which could result in information disclosure, tampering and deletion, or a denial-of-service (DoS) condition.
How severe is CVE-2023-5247?: CVE-2023-5247 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-5247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5247?: CVE-2023-5247 primarily affects Mitsubishielectric Gx Works3. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-5247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-5247 published?: CVE-2023-5247 was published on 2023-11-30 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:mitsubishielectric:gx_works3:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:melsoft_iq_appportal:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:melsoft_navigator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:motion_control_setting:*:*:*:*:*:*:*:*

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