CVE-2022-3864

mediumpriority · track · 18OT risk · elevatedEPSS 0.004 · 29 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.35% (29th) EPSS
CVSS 4.5 · medium
Is it mine?
47 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cert_bund · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedRelion 650cisa_csaf_ot

    For more information, see Hitachi Energy cybersecurity advisory 8DBD000146 at https://publisher.hitachienergy.com/preview?DocumentID=8DBD000146&LanguageCode=en .

  • FixedRelion 670cisa_csaf_ot

    For more information, see Hitachi Energy cybersecurity advisory 8DBD000146 at https://publisher.hitachienergy.com/preview?DocumentID=8DBD000146&LanguageCode=en .

  • FixedSAM600-IOcisa_csaf_ot

    For more information, see Hitachi Energy cybersecurity advisory 8DBD000146 at https://publisher.hitachienergy.com/preview?DocumentID=8DBD000146&LanguageCode=en .

  • MitigationRelion 650cisa_csaf_ot

    Apply General Mitigation Factors

  • MitigationRelion 670cisa_csaf_ot

    Apply General Mitigation Factors

02

cvss

Technical severity, 0–10. One row per scoring source.

4.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 0.9 · impact 3.6
v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:Hsecondary · CISA US
v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:Hsecondary · ENISA EU
v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:Hsecondary · cybersecurity@hitachienergy.comexploitability 0.9 · impact 3.6
v3.14.1mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

affected products (47)

Products and version ranges known to be affected.

showing 20 of 47
06

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-0610Hitachi Energy Relion: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-03-09csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Hitachi Energy Relion ausnutzen, um einen Denial of Service Angriff durchzuführen.

  • ICSA-23-068-05Hitachi Energy Relion 670, 650 and SAM600-IO Series2023-02-28icsa · cisa_csaf_otUS

    Hitachi Energy is aware of a report from Nozomi Networks Labs, concerning the vulnerability CVE-2022-3864 affecting the Relion 670/650/SAM600-IO series versions listed below. Recommended actions for each affected version are listed in the “Recommended Immediate Actions” section of this document. An attacker who manages to get access with security privileges to the device, can start the update mechanism, supplying a malicious update package to the IED. When the system attempts to verify the tampered update package, a crash occurs resulting in the reboot of the device, after reboot the device is back in normal operation.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

10

references (6)

External citations — patches, advisories, analysis.

scry

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