Home/CVE/The affected products store both public and private key that are used to sign and protect Custom Parameter Set (CPS) fil
CVE

CVE-2022-3927

The affected products store both public and private key that are used to sign and protect Custom Parameter Set (CPS) fil

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:::::::*.

HIGH · CVSS 8 EPSS 0.00469
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
Look this up elsewhere - one-click external pivots
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
▸ How to read a CVE - triage first, then detect and patch
This page is every public fact about CVE-2022-3927, cross-linked. Its job is to answer one question fast - does this need my attention now? - and then hand you the two things you do about it. Here is how an analyst reads it.
Triage: should I act now? Four signals, and they are not interchangeable:
CVSSseverity - how bad it is IF exploited, 0-10. A high CVSS alone is not urgency; a flaw can be a perfect 10 and never actually be attacked. EPSSprobability - a model’s estimate of the chance it is exploited in the next 30 days, 0-1. This is the “will it actually happen” signal. CISA KEVconfirmed - it is being exploited in the wild right now. The strongest signal on the page; KEV beats any score. Weaponisedavailability - public exploits / PoCs, and especially Metasploit modules rated Excellent / Great. Reliable, packaged exploit code means low-skill attackers can use it today.
How they combine: KEV, or a dependable Metasploit module, means patch now regardless of CVSS. High CVSS + low EPSS + no exploit is real but not an emergency - schedule it. Low CVSS but KEV-listed still gets patched now. The verdict above already weighed these for you; this is how it got there.
Then what - two workflows:
Detectwhen you cannot patch today, follow this CVE to the ATT&CK techniques it enables, then Build a SIEM detection (the green button) - author a rule, test it in Atomic, deploy it. That buys visibility while the patch waits. PatchAffected products / packages tell you if you are exposed; Fixed versions by distribution and Vendor advisories give the exact version that closes it.
Reading order for the panels below: verdict + badges, then Public exploits / Metasploit (is it weaponised), then ATT&CK techniques + Sigma / IDS rules (can I detect it), then Affected products / packages + Fixed versions (am I exposed, what patches it), then Threat actors / IOCs (who uses it), then Scoring & timeline / references (the evidence).
◆

ATT&CK techniques

2

Techniques this CVE enables - linked via CWECAPECATT&CK. High◆ = named directly in ATT&CK or Nuclei templates.

T1078.001 · Default Accounts T1552.001 · Credentials In Files
▤ Build a SIEM detection for these techniques
▤

CAPEC attack patterns

2

Attack patterns this CVE enables - the bridge from weakness to ATT&CK technique.

CAPEC-CAPEC-191 · Read Sensitive Constants Within an Executable CAPEC-CAPEC-70 · Try Common or Default Usernames and Passwords
⬡

Weakness Classification

CWE-798Use of Hard-coded Credentials
CWE-798Use of Hard-coded Credentials
▤

Affected Products & Versions

2
hitachienergy foxman-un< r16a
hitachienergy unem< r16a
▣

Scoring & Timeline

8
HIGH · CVSS v3.1 · [email protected]
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Jan 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-005-01
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-005-02
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000083&LanguageCode=en&DocumentPartId=&Action=LaunchMitigationVendor Advisory
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000084&LanguageCode=en&DocumentPartId=&Action=LaunchMitigationVendor Advisory
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