PT-2022-4414 · Hitachi Energy · Rtu500

Published 2022-08-23 · Updated 2024-09-25 · CVE-2022-2081

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Hitachi Energy RTU500 versions (affected versions not specified)

Description The issue is related to a vulnerability in the HCI interface, functioning via the Modbus TCP protocol, which can cause a buffer overflow in memory. This can be exploited by an attacker to cause a denial of service or reboot the device. The vulnerability is caused by a lack of flood control, leading to an internal stack overflow in the HCI Modbus TCP function when a specially crafted message is sent at a high rate.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2022-05278

CVE-2022-2081

Affected Products

Rtu500

References · 8

• https://publisher.hitachienergy.com/preview?DocumentID=8DBD000111&LanguageCode=en&DocumentPartId=&Action=Launch · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-05278 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-2081 · Security Note
• https://osv.dev/vulnerability/CVE-2022-2081 · Vendor Advisory
• https://cisa.gov/uscert/ics/advisories/icsa-22-235-07 · Note
• https://t.me/cibsecurity/74398 · Telegram Post
• https://t.me/cvenotify/66165 · Telegram Post
• https://t.me/cvenotify/66202 · Telegram Post