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Vulnerability · Published Jan 4, 2024 · Assigned by Hitachi Energy

CVE-2022-3864

Medium 4.5

In plain English

A medium-severity security flaw in Relion 670/650/SAM600-IO Series from Hitachi Energy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)4.5Medium
Exploit odds (30 days)0.4%top 70.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Hitachi Energy Relion 670/650/SAM600-IO Series Relion 670/650 series version 2.2.0 all revisionsRelion 670/650/SAM600-IO series version 2.2.1 all revisionsRelion 670 series version 2.2.2 all revisionsRelion 670 series version 2.2.3 all revisionsRelion 670/650 series version 2.2.4 all revisionsRelion 670/650 series version 2.2.5 all revisions

Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

References