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Vulnerability record · CVE-2022-3864 · published 4 January 2024

CVE-2022-3864: Hitachienergy relion 650 firmware improper verification of cryptographic signature vulnerability

Hitachienergy · Relion 650 Firmware

A vulnerability exists in the Relion update package signature validation. A tampered update package could cause the IED to restart. After restart the device is back to normal operation. An attacker could exploit the vulnerability by first gaining access to the system with security privileges and attempt to update the IED with a malicious update package. Successful exploitation of this vulnerability will cause the IED to restart, causing a temporary Denial of Service.

4.5 CVSS 3.1 Medium EPSS 0.35% · top 73.6% CWE-347 · Improper verification of cryptographic signature
4.5CVSS 3.1 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability exists in the Relion update package signature validation. A tampered update package could cause the IED to restart. After restart the device is back to normal operation. An attacker could exploit the vulnerability by first gaining access to the system with security privileges and attempt to update the IED with a malicious update package. Successful exploitation of this vulnerability will cause the IED to restart, causing a temporary Denial of Service.

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000146&LanguageCode=en&DocumentPartId=&Action=Launch Vendor Advisory
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000146&LanguageCode=en&DocumentPartId=&Action=Launch Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-3864), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.