Vulnerability in Hitachi Energy Relion 670/650/sam600-Io Series

CVE-2022-3864

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.

EPSS: 0.004 (27.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-3864?
CVE-2022-3864 is a medium-severity vulnerability in Hitachi Energy Relion 670/650/sam600-Io Series, classified under Improper Verification of Cryptographic Signature. CVSS score: 4.5/10. Published 2024-01-04.
How severe is CVE-2022-3864?
Medium severity. CVSS v3 base score is 4.5 out of 10.