Input validation error in RTU500 - CVE-2023-5768
Published: May 26, 2025
Vulnerability identifier: #VU109807
CSH Severity: High
CVSS v4: 8.2 [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]
CVE-ID: CVE-2023-5768
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
RTU500
How to mitigate CVE-2023-5768
Install updates from vendor's website.
RTU500 - addressed in versions 12.0.15, 12.2.12, 12.4.12, 12.6.10, 12.7.7, 13.2.7, 13.4.4, 13.5.1