Vulnerability · Published May 2, 2022 · Assigned by Hitachi Energy

CVE-2022-28613Specially Crafted Modbus TCP Packet Vulnerability in RTU500 series

High 7.5

In plain English

A high-severity security flaw in RTU500 series CMU Firmware from Hitachi Energy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 37.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A vulnerability exists in the HCI Modbus TCP function included in the product versions listed above. If the HCI Modbus TCP is en-abled and configured, an attacker could exploit the vulnerability by sending a specially crafted message to the RTU500, causing the receiving RTU500 CMU to reboot. The vulnerability is caused by the validation error in the length information carried in MBAP header in the HCI Modbus TCP function.

Affected products (as reported)

VendorProductVersions
Hitachi Energy RTU500 series CMU Firmware 12.0.*12.2.*12.4.*12.6.*12.7.*13.2.*

Weakness: CWE-1284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References