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No exploitation reportedFix available

CVE-2022-31204

No exploitation reported by the sources we read.

  • Published2022-07-26
  • WeaknessCWE-319

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Omron CS series, CJ series, and CP series PLCs through 2022-05-18 use cleartext passwords. They feature a UM Protection setting that allows users or system integrators to configure a password in order to restrict sensitive engineering operations (such as project/logic uploads and downloads). This password is set using the OMRON FINS command Program Area Protect and unset using the command Program Area Protect Clear, both of which are transmitted in cleartext.

Timeline

dates in UTC
  1. 2022-07-2622:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-31204?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-31204?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Omron cp1w-cif41 firmwareversion to verify
BranchAffectedFixed in
—all versionsno fix published
Omron cx-programmer
BranchAffectedFixed in
9.6< 9.69.6
Omron sysmac cj2h firmwareversion to verify
BranchAffectedFixed in
1.5< 1.51.5

5 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-22-179-02 CISA8 known affected

    Omron SYSMAC CS/CJ/CP Series and NJ/NX Series

    CP1W-CIF41: All versions · SYSMAC CJ2H: Versions prior to 1.5 · SYSMAC CJ2M: Versions prior to 2.1 · +5 more

Full record on NVD

Fix

  1. Mitigation from the vendor CISA ICSA-22-179-02 · 8 productsFor CVE-2022-31204: Omron recommends users implement an extended password protection function in the following product versions: CS1: v.4.1 or later
  2. Mitigation from the vendor CISA ICSA-22-179-02 · 8 productsFor CVE-2022-31204: Omron recommends users implement an extended password protection function in the following product versions: CJ2M: v2.1 or later
  3. Mitigation from the vendor CISA ICSA-22-179-02 · 8 productsFor CVE-2022-31204: Omron recommends users implement an extended password protection function in the following product versions: CJ2H: v1.5 or later
  4. Mitigation from the vendor CISA ICSA-22-179-02 · 8 productsFor CVE-2022-31204: Omron recommends users implement an extended password protection function in the following product versions: CP1E/CP1H: v1.30 or later
  5. Mitigation from the vendor CISA ICSA-22-179-02 · 8 productsFor CVE-2022-31204: Omron recommends users implement an extended password protection function in the following product versions: CP1L: v1.10 or later
  6. Mitigation from the vendor CISA ICSA-22-179-02 · 8 productsFor CVE-2022-31204: Omron recommends users implement an extended password protection function in the following product versions: CX-Programmer: v9.6 or higher

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.17.5read 2026-10-23
  • NVDweakness (CWE)CWE-319read 2026-10-23
  • FIRST EPSSEPSS score0.7 %2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2022-07-26
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2022-31204?

Omron CS series, CJ series, and CP series PLCs through 2022-05-18 use cleartext passwords. They feature a UM Protection setting that allows users or system integrators to configure a password in order to restrict sensitive engineering operations (such as project/logic uploads and downloads). This password is set using the OMRON FINS command Program Area Protect and unset using the command Program Area Protect Clear, both of which are transmitted in cleartext.

Is CVE-2022-31204 actively exploited?

Active exploitation of CVE-2022-31204 has not been confirmed. Its EPSS score was 0.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-31204?

CVE-2022-31204 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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