#VU66734 Stack-based buffer overflow in RTU500 CMU - CVE-2022-2081
Published: August 24, 2022
Vulnerability identifier: #VU66734
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-2081
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
RTU500 CMU
RTU500 CMU
Software vendor:
Hitachi Energy
Hitachi Energy
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 HCI Modbus TCP function. A remote unauthenticated attacker can send a specially crafted message, trigger stack-based buffer overflow and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.