CVE-2022-3864

MEDIUM
4.5
CVSS Score
Published: January 4, 2024 at 09:31 AM UTC
Updated: June 17, 2026 at 05:00 AM UTC
6 products affected across 1 vendorRelion 670 FirmwareRelion 650 FirmwareRelion Sam600-io Firmware

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Severity
MEDIUM4.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.5MEDIUMHitachi Energy
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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