Description

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.

Classification

CVE ID: CVE-2023-3346

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.8

Affected Products

Vendor: Mitsubishi Electric Corporation

Product: MITSUBISHI CNC M800V Series M800VW

Exploit Prediction Scoring System (EPSS)

EPSS Score: 6.49% (probability of being exploited)

EPSS Percentile: 93.71% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-007_en.pdf
https://jvn.jp/vu/JVNVU90352157/index.html
https://www.cisa.gov/news-events/ics-advisories/icsa-23-208-03

Timeline