#VU78939 Predictable Exact Value from Previous Values in GOT2000 GT21 model and GOT SIMPLE GS21 model - CVE-2023-3373
Published: August 4, 2023
Vulnerability identifier: #VU78939
Vulnerability risk: Medium
CVSSv4.0: 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
CVE-ID: CVE-2023-3373
CWE-ID: CWE-342
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
GOT2000 GT21 model
GOT SIMPLE GS21 model
GOT2000 GT21 model
GOT SIMPLE GS21 model
Software vendor:
Mitsubishi Electric
Mitsubishi Electric
Description
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 updates from vendor's website.