CVE-2022-45790

criticalpriority · track · 36EPSS 0.009 · 60 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.91% (60th) EPSS

CVSS 9.1 · critical

Is it mine?

82 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-26

The Omron FINS protocol has an authenticated feature to prevent access to memory regions. Authentication is susceptible to bruteforce attack, which may allow an adversary to gain access to protected memory. This access can allow overwrite of values including programmed logic.

remediations

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

A vendor fix is available.

FixedCJ2H-CPU**(-EIP)cisa_csaf_ot
CJ2H-CPU**(-EIP): Update to version 1.5
FixedCJ2M-CPU**cisa_csaf_ot
CJ2M-CPU**: Update to version 2.1
FixedCP1E-E/-Ncisa_csaf_ot
CP1E-E/-N: Update to version 1.3
FixedCS1D-CPU**H/-CPU**Pcisa_csaf_ot
CS1D-CPU**H/-CPU**P: Update to version 1.4
FixedCS1D-CPU**Scisa_csaf_ot
CS1D-CPU**S: Update to version 2.1
FixedCS1H/G-CPU**H, CJ1G-CPU**Pcisa_csaf_ot
CS1H/G-CPU**H, CJ1G-CPU**P: Update to version 4.1
MitigationCJ2H-CPU**(-EIP)cisa_csaf_ot
Omron recommends users update their products as soon as possible. Updated versions can be obtained bycontacting Omron's Customer Care Team.
https://industrial.omron.us/en/services-and-support/customer-care
MitigationCJ2M-CPU**cisa_csaf_ot
Omron recommends users update their products as soon as possible. Updated versions can be obtained bycontacting Omron's Customer Care Team.
https://industrial.omron.us/en/services-and-support/customer-care
MitigationCP1E-E/-Ncisa_csaf_ot
Omron recommends users update their products as soon as possible. Updated versions can be obtained bycontacting Omron's Customer Care Team.
https://industrial.omron.us/en/services-and-support/customer-care
MitigationCS1D-CPU**H/-CPU**Pcisa_csaf_ot
Omron recommends users update their products as soon as possible. Updated versions can be obtained bycontacting Omron's Customer Care Team.
https://industrial.omron.us/en/services-and-support/customer-care
MitigationCS1D-CPU**Scisa_csaf_ot
Omron recommends users update their products as soon as possible. Updated versions can be obtained bycontacting Omron's Customer Care Team.
https://industrial.omron.us/en/services-and-support/customer-care
MitigationCS1H/G-CPU**H, CJ1G-CPU**Pcisa_csaf_ot
Omron recommends users update their products as soon as possible. Updated versions can be obtained bycontacting Omron's Customer Care Team.
https://industrial.omron.us/en/services-and-support/customer-care
MitigationSmart Security Managercisa_csaf_ot
Omron recommends users update their products as soon as possible. Updated versions can be obtained bycontacting Omron's Customer Care Team.
https://industrial.omron.us/en/services-and-support/customer-care

cvss

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

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · CISA US

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:Nsecondary · ENISA EU

v3.18.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:Nsecondary · ot-cert@dragos.comexploitability 3.9 · impact 4

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-307USprimaryCWE-400USCWE-404USCWE-799USCWE-799US

affected products (82)

Products and version ranges known to be affected.

CJ2H-CPU**(-EIP): <= 1.4all versionscisa_csaf_otUS
CJ2M-CPU**: <= 2.0all versionscisa_csaf_otUS
CP1E-E/-N: <= 1.2all versionscisa_csaf_otUS
CS1D-CPU**H/-CPU**P: <= 1.3all versionscisa_csaf_otUS
CS1D-CPU**S: <= 2.0all versionscisa_csaf_otUS
CS1H/G-CPU**H, CJ1G-CPU**P: <= 4.0all versionscisa_csaf_otUS
Smart Security Manager: <= 1.5all versionscisa_csaf_otUS
Smart Security Manager: >= 1.31 | <= 1.4all versionscisa_csaf_otUS
Omron CJ2H-CPU**(-EIP)≤ 1.4cisa_csaf_otUS
Omron CJ2M-CPU**≤ 2.0cisa_csaf_otUS
Omron CP1E-E/-N≤ 1.2cisa_csaf_otUS
Omron CS1D-CPU**H/-CPU**P≤ 1.3cisa_csaf_otUS
Omron CS1D-CPU**S≤ 2.0cisa_csaf_otUS
Omron CS1H/G-CPU**H, CJ1G-CPU**P≤ 4.0cisa_csaf_otUS
Omron Smart Security Manager≤ 1.5cisa_csaf_otUS
Omron Smart Security Manager1.31 | → 1.4cisa_csaf_otUS
Omron CJ-series and CS-series CPU modulesCJ1G 0.0 → 4.1enisa_euvdEU
Omron CJ-series and CS-series CPU modulesCJ2H 0.0 → 1.5enisa_euvdEU
Omron CJ-series and CS-series CPU modulesCJ2M 0.0 → 2.1enisa_euvdEU
Omron CJ-series and CS-series CPU modulesCP1E-E 0.0 → 1.3enisa_euvdEU

showing 20 of 82

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-23-262-05Omron CJ/CS/CP Series2023-09-19icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an attacker to obtain sensitive information in memory.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot NVD CVE.org MITRE

published 2024-01-22modified 2026-06-17

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references (12)

External citations — patches, advisories, analysis.

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