Input validation error in RTU500 - CVE-2023-5768

 

Input validation error in RTU500 - CVE-2023-5768

Published: May 26, 2025


Vulnerability identifier: #VU109807
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-5768
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Hitachi Energy
Affected software:
RTU500

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the HCI IEC 60870-5-104. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2023-5768

Install updates from vendor's website. 

Sources