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Vulnerability · Published Aug 3, 2023 · Assigned by Mitsubishi

CVE-2023-3346Denial of Service (DoS) and Remote Code Execution Vulnerability in MITSUBISHI CNC Series

Critical 9.8

In plain English

A critical-severity buffer overflow in MITSUBISHI CNC C80 Series C80 from Mitsubishi Electric Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)2.1%top 18.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Mitsubishi Electric Corporation MITSUBISHI CNC M800V Series M800VW System Number BND-2051W000 versions A8 and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M800V Series M800VS System Number BND-2052W000 versions A8 and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M80V Series M80V System Number BND-2053W000 versions A8 and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M80V Series M80VW System Number BND-2054W000 versions A8 and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M800 Series M800W System Number BND-2005W000 versions FB and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M800 Series M800S System Number BND-2006W000 versions FB and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M80 Series M80 System Number BND-2007W000 versions FB and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M80 Series M80W System Number BND-2008W000 versions FB and prior
Mitsubishi Electric Corporation MITSUBISHI CNC E80 Series E80 System Number BND-2009W000 versions FB and prior
Mitsubishi Electric Corporation MITSUBISHI CNC C80 Series C80 System Number BND-2036W000 versions BF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M700V Series M720VW System Number BND-1015W000 versions LF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M700V Series M730VW System Number BND-1015W000 versions LF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M700V Series M750VW System Number BND-1015W002 versions LF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M700V Series M720VS System Number BND-1012W000 versions LF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M700V Series M730VS System Number BND-1012W000 versions LF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M700V Series M750VS System Number BND-1012W002 versions LF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC M70V Series M70V System Number BND-1018W000 versions LF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC E70 Series E70 System Number BND-1022W000 versions LF and prior
Mitsubishi Electric Corporation MITSUBISHI CNC IoT Unit Remote Service Gateway Unit System Number BND-2041W001 versions AD and prior
Mitsubishi Electric Corporation MITSUBISHI CNC IoT Unit Data Acquisition Unit System Number BND-2041W002 all versions

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References