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CVE-2022-3864

A vulnerability exists in the Relion update package signature validation. A tampered update package could cause the IED to restart. After…

Medium4.5EPSS 0.35%
Published
Updated
Reserved
Assigned by
Hitachi Energy

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.

Scores

CVSS scores of CVE-2022-3864, by who scored it
Scored byCVSSScoreVector
Hitachi EnergyCNA (assigner)3.1Medium4.5CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium4.5CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.35% · top 71% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.5.

Weakness

Affected products

  • Hitachi Energy · Relion 670/650/SAM600-IO Series

    • affected Relion 670/650 series version 2.2.0 all revisions
    • affected Relion 670/650/SAM600-IO series version 2.2.1 all revisions
    • affected Relion 670 series version 2.2.2 all revisions
    • affected Relion 670 series version 2.2.3 all revisions
    • affected Relion 670/650 series version 2.2.4 all revisions
    • affected Relion 670/650 series version 2.2.5 all revisions

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .