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Fencer Vulns
medium 4.5

CVE-2022-3864 json

A vulnerability exists in the Relion update package signature validation.

published 2024-01-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43204

cvss
4.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-068-05 updated cvss 4.5

Hitachi Energy Relion 670, 650 and SAM600-IO Series

  • Hitachi Energy Relion 650 2.2.0, >=2.2.1.0, <2.2.1.8, >=2.2.4.0, <2.2.4.3, >=2.2.5.0, <2.2.5.5
    affected: fixed in 2.2.4.4, mitigation
  • Hitachi Energy Relion 670 2.2.0, >=2.2.1.0, <2.2.1.8, >=2.2.2.0, <2.2.2.5, >=2.2.3.0, <2.2.3.6
    affected: fixed in 2.2.2.6, mitigation
  • Hitachi Energy SAM600-IO >=2.2.1.0, <2.2.1.8
    affected: fixed in 2.2.1.9

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
NVD 3.1 4.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Affected products

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

Classification

Weakness
  • CWE-347 Improper Verification of Cryptographic Signature

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.