#VU53140 Buffer overflow in Mitsubishi Electric products - CVE-2021-20589
Published: May 12, 2021
Vulnerability identifier: #VU53140
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-20589
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
GOT2000 GT27 model
GOT2000 GT25 model
GOT2000 GT23 model
GOT2000 GT21 model
GOT SIMPLE GS21 model
GT SoftGOT2000 Version1
LE7-40GU-L
GOT2000 GT27 model
GOT2000 GT25 model
GOT2000 GT23 model
GOT2000 GT21 model
GOT SIMPLE GS21 model
GT SoftGOT2000 Version1
LE7-40GU-L
Software vendor:
Mitsubishi Electric
Mitsubishi Electric
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the MODBUS/TCP server communication function. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.