CVE-2022-3927

The affected products store public and private key that are used to sign and protect custom parameter set files from modification.

Published Jan 5, 2023 CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
Description

The affected products store both public and private key that are used to sign and
protect Custom Parameter Set (CPS) file from modification. An attacker that manages to exploit this vulnerability will be able to change
the CPS file, sign it so that it is trusted as the legitimate CPS file.








This issue affects



* FOXMAN-UN product: FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C;
* UNEM product: UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C.




List of CPEs:
* cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:*

* cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:*

* cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:*
* cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*








Remediation

Vendor Workaround

For immediate recommended mitigation action if using FOXMAN-UN R15B and earlier OR UNEM R15B and earlier, follow the recommended security practices as described in section Mitigation Factors/Workarounds in the respective products' advisory.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-43261 The affected products store both public and private key that are used to sign and protect Custom Parameter Set (CPS) file from modification. An attacker that manages to exploit this vulnerability will be able to change the CPS file, sign it so that it is trusted as the legitimate CPS file. This issue affects * FOXMAN-UN product: FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C; * UNEM product: UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C. List of CPEs: * cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00132}

epss

{'score': 0.00145}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Hitachi Energy
Published
Updated
Apr 10, 2025, 2:06 PM
Reserved
Nov 10, 2022, 2:47 PM
Status
Modified
Published
Jan 5, 2023, 10:15 PM
Modified
Jun 17, 2026, 5:00 AM