SARA / Free Tools / CVE / CVE-2022-3927

CVE-2022-3927 — The affected products store both public and private key that are used to sign an

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

CVSS
8.0 HIGH
EPSS
0.47% (top 35.80%)
CWE
CWE-798
Published
2023-01-05T21:41:38.258Z
Last modified
2025-04-10T14:06:59.197Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
Hitachi EnergyFOXMANUN — FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C
Hitachi EnergyUNEMUNEM R16A, UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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