CVE-2022-45794

highpriority · track · 30OT risk · elevatedEPSS 0.005 · 45 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.54% (45th) EPSS

CVSS 7.5 · high

Is it mine?

70 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

An attacker with network access to the affected PLC (CJ-series and CS-series PLCs, all versions) may use a network protocol to read and write files on the PLC internal memory and memory card.

remediations

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

A vendor fix is available.

FixedSYSMAC CJ1G-CPU[][]Pcisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CJ2H-CPU6[]cisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CJ2H-CPU6[]-EIPcisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CJ2M-CPU[][]cisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CS1D-CPU[][]Hcisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CS1D-CPU[][]HAcisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CS1D-CPU[][]Pcisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CS1D-CPU[][]Scisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CS1D-CPU[][]SAcisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CS1G-CPU[][]Hcisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.
FixedSYSMAC CS1H-CPU[][]Hcisa_csaf_ot
Complete periodical data backup and maintenance to prepare for data loss.

cvss

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

8.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–8.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

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:H/I:N/A:Nsecondary · ENISA EU

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

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-306USCWE-306US

affected products (70)

Products and version ranges known to be affected.

SYSMAC CJ1G-CPU[][]P: all versionsall versionscisa_csaf_otUS
SYSMAC CJ2H-CPU6[]-EIP: all versionsall versionscisa_csaf_otUS
SYSMAC CJ2H-CPU6[]: all versionsall versionscisa_csaf_otUS
SYSMAC CJ2M-CPU[][]: all versionsall versionscisa_csaf_otUS
SYSMAC CS1D-CPU[][]H: all versionsall versionscisa_csaf_otUS
SYSMAC CS1D-CPU[][]HA: all versionsall versionscisa_csaf_otUS
SYSMAC CS1D-CPU[][]P: all versionsall versionscisa_csaf_otUS
SYSMAC CS1D-CPU[][]S: all versionsall versionscisa_csaf_otUS
SYSMAC CS1D-CPU[][]SA: all versionsall versionscisa_csaf_otUS
SYSMAC CS1G-CPU[][]H: all versionsall versionscisa_csaf_otUS
SYSMAC CS1H-CPU[][]H: all versionsall versionscisa_csaf_otUS
Omron SYSMAC CJ1G-CPU[][]P≤ vers:all/*cisa_csaf_otUS
Omron SYSMAC CJ2H-CPU6[]≤ vers:all/*cisa_csaf_otUS
Omron SYSMAC CJ2H-CPU6[]-EIP≤ vers:all/*cisa_csaf_otUS
Omron SYSMAC CJ2M-CPU[][]≤ vers:all/*cisa_csaf_otUS
Omron SYSMAC CS1D-CPU[][]H≤ vers:all/*cisa_csaf_otUS
Omron SYSMAC CS1D-CPU[][]HA≤ vers:all/*cisa_csaf_otUS
Omron SYSMAC CS1D-CPU[][]P≤ vers:all/*cisa_csaf_otUS
Omron SYSMAC CS1D-CPU[][]S≤ vers:all/*cisa_csaf_otUS
Omron SYSMAC CS1D-CPU[][]SA≤ vers:all/*cisa_csaf_otUS

showing 20 of 70

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-23-108-01Omron CS/CJ Series2023-04-20icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an attacker to access sensitive information in the file system and memory.

also known as (4)

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 2024-01-10modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

scry

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