critical
10
CWE
345 306
Advisory Published
Updated

CVE-2023-4699: Arbitrary Command Execution Vulnerability in Mitsubishi Electric proprietary protocol communication of multiple FA products

First published: Mon Nov 06 2023(Updated: )

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC-F Series CPU modules, MELSEC iQ-F Series, MELSEC iQ-R series CPU modules, MELSEC iQ-R series, MELSEC iQ-L series, MELSEC Q series, MELSEC-L series, Mitsubishi Electric CNC M800V/M80V series, Mitsubishi Electric CNC M800/M80/E80 series and Mitsubishi Electric CNC M700V/M70V/E70 series allows a remote unauthenticated attacker to execute arbitrary commands by sending specific packets to the affected products. This could lead to disclose or tamper with information by reading or writing control programs, or cause a denial-of-service (DoS) condition on the products by resetting the memory contents of the products to factory settings or resetting the products remotely.

Credit: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-4699?

    CVE-2023-4699 has a high severity due to the missing authentication for critical functions, allowing unauthorized access.

  • How do I fix CVE-2023-4699?

    To fix CVE-2023-4699, apply the security updates released by Mitsubishi Electric for the affected MELSEC CPU modules.

  • What are the affected products for CVE-2023-4699?

    CVE-2023-4699 affects several Mitsubishi Electric MELSEC CPU series, including MELSEC-F, MELSEC iQ-F, MELSEC iQ-R, and more.

  • Can CVE-2023-4699 be exploited remotely?

    Yes, CVE-2023-4699 can be exploited remotely due to the absence of proper authentication mechanisms.

  • Is there a workaround for CVE-2023-4699?

    As of now, it is recommended to apply patches rather than relying on workarounds for CVE-2023-4699.

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