CVE-2022-4608

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-26 · updated 2026-06-17
Weakness: CWE-787

Description

A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can only be exploited, if the HCI 60870-5-104 is configured with support for IEC 62351-3. After session resumption interval is expired an RTU500 initiated update of session parameters causes an unexpected restart due to a stack overflow.

Affected products

Hitachi Energy RTU500 series CMU firmware: 13.3.1, 13.3.2, 13.3.3, 13.4.1

References

https://publisher.hitachienergy.com/preview?DocumentID=8DBD000121&LanguageCode=en&DocumentPartId=&Action=Launch
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000121&LanguageCode=en&DocumentPartId=&Action=Launch

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