SB2023080407 - Predictable Exact Value from Previous Values in Mitsubishi Electric GOT2000 and GOT SIMPLE



SB2023080407 - Predictable Exact Value from Previous Values in Mitsubishi Electric GOT2000 and GOT SIMPLE

Published: August 4, 2023

Security Bulletin ID SB2023080407
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Predictable Exact Value from Previous Values (CVE-ID: CVE-2023-3373)

CWE-ID: CWE-342 - Predictable Exact Value from Previous Values

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to predictable exact value from previous values in the FTP server function. A remote attacker can guess the port number of a data connection and perform a denial of service (DoS) and spoofing attacks.


Remediation

Install update from vendor's website.