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CVE-2023-1424

10.0 · CRITICAL

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a re…

Published May 24, 2023CWE-120EPSS 3.44%

Overview

CVE-2023-1424 is a critical-severity vulnerability. It was published on May 24, 2023 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refjvn.jp/vu/JVNVU94650413CISAwww.cisa.gov/news-events/ics-advisories/icsa-23-143-03Refwww.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-003_en.pdfRefjvn.jp/vu/JVNVU94650413CISAwww.cisa.gov/news-events/ics-advisories/icsa-23-143-03Refwww.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-003_en.pdfRefwww.talosintelligence.com/vulnerability_reports/TALOS-2023-1727

How CyberStrike helps

Frequently asked questions

What is CVE-2023-1424?

CVE-2023-1424 is a critical-severity vulnerability. It was published on May 24, 2023 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2023-1424?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-1424?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-1424?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-1424 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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