Vulnerability Monitor

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CVE-2023-3346


Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and execute arbitrary code on the product by sending specially crafted packets. In addition, system reset is required for recovery.


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 42 products from mitsubishielectric, from mitsubishielectric, from mitsubishielectric and 39 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2023-08-03T05:15:10.603

Last Modified

2024-11-21T08:17:04.037

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses
  • Type: Secondary
    CWE-120
  • Type: Primary
    CWE-120

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System mitsubishielectric c80_firmware - Yes
Hardware mitsubishielectric c80 - No
Operating System mitsubishielectric e70_firmware - Yes
Hardware mitsubishielectric e70 - No
Operating System mitsubishielectric e80_firmware - Yes
Hardware mitsubishielectric e80 - No
Operating System mitsubishielectric m70v_firmware - Yes
Hardware mitsubishielectric m70v - No
Operating System mitsubishielectric m720vs_firmware - Yes
Hardware mitsubishielectric m720vs - No
Operating System mitsubishielectric m720vs_15-type_firmware - Yes
Hardware mitsubishielectric m720vs_15-type - No
Operating System mitsubishielectric m720vw_firmware - Yes
Hardware mitsubishielectric m720vw - No
Operating System mitsubishielectric m730vs_firmware - Yes
Hardware mitsubishielectric m730vs - No
Operating System mitsubishielectric m730vs_15-type_firmware - Yes
Hardware mitsubishielectric m730vs_15-type - No
Operating System mitsubishielectric m730vw_firmware - Yes
Hardware mitsubishielectric m730vw - No
Operating System mitsubishielectric m750vs_firmware - Yes
Hardware mitsubishielectric m750vs - No
Operating System mitsubishielectric m750vs_15-type_firmware - Yes
Hardware mitsubishielectric m750vs_15-type - No
Operating System mitsubishielectric m750vw_firmware - Yes
Hardware mitsubishielectric m750vw - No
Operating System mitsubishielectric m80_firmware - Yes
Hardware mitsubishielectric m80 - No
Operating System mitsubishielectric m800s_firmware - Yes
Hardware mitsubishielectric m800s - No
Operating System mitsubishielectric m800vs_firmware - Yes
Hardware mitsubishielectric m800vs - No
Operating System mitsubishielectric m800vw_firmware - Yes
Hardware mitsubishielectric m800vw - No
Operating System mitsubishielectric m800w_firmware - Yes
Hardware mitsubishielectric m800w - No
Operating System mitsubishielectric m80v_firmware - Yes
Hardware mitsubishielectric m80v - No
Operating System mitsubishielectric m80vw_firmware - Yes
Hardware mitsubishielectric m80vw - No
Operating System mitsubishielectric m80w_firmware - Yes
Hardware mitsubishielectric m80w - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mitsubishielectric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.