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CVE-2023-1618

7.5 · HIGH

Active Debug Code vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 Serial number 2310 **** and prior allows a remote unauthenticated attacker to bypass authentication…

Published May 19, 2023CWE-489EPSS 1.13%

Overview

CVE-2023-1618 is a high-severity vulnerability. It was published on May 19, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Active Debug Code vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 Serial number 2310 **** and prior allows a remote unauthenticated attacker to bypass authentication and illegally log into the affected module by connecting to it via telnet which is hidden function and is enabled by default when shipped from the factory. As a result, a remote attacker with unauthorized login can reset the module, and if certain conditions are met, he/she can disclose or tamper with the module's configuration or rewrite the firmware.

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/JVNVU96063959CISAwww.cisa.gov/news-events/ics-advisories/icsa-23-138-02Refwww.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-002_en.pdfRefjvn.jp/vu/JVNVU96063959CISAwww.cisa.gov/news-events/ics-advisories/icsa-23-138-02Refwww.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-002_en.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2023-1618?

CVE-2023-1618 is a high-severity vulnerability. It was published on May 19, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-1618?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-1618?

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-2023-1618?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-1618 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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