CVE-2022-4608

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.

Remediation

Solution:

  • Update to CMU Firmware versions 13.3.3 or 13.4.1.

Workaround:

  • Disable the HCI IEC 60870-5-104 function or its IEC 62351-3 feature if it is not used.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory hitachienergy.com
Affected: Hitachi Energy RTU500 series
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2022-4608?
CVE-2022-4608 has been scored as a high severity vulnerability.
How to fix CVE-2022-4608?
To fix CVE-2022-4608: Update to CMU Firmware versions 13.3.3 or 13.4.1.
Is CVE-2022-4608 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-4608 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-4608?
CVE-2022-4608 affects Hitachi Energy RTU500 series.
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