Ecostruxure Control ExpertApplication · Schneider Electric

CVE-2022-45788

CRITICAL · 9.8 CVSS v3.1 Published 2023-01-30
Fix available
A fix is available. Upgrade to 2021 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when a malicious project file is loaded onto the controller. Affected Products: EcoStruxure Control Expert (All Versions), EcoStruxure Process Expert (All Versions), Modicon M340 CPU - part numbers BMXP34* (All Versions), Modicon M580 CPU - part numbers BMEP* and BMEH* (All Versions), Modicon M580 CPU Safety - part numbers BMEP58*S and BMEH58*S (All Versions), Modicon Momentum Unity M1E Processor - 171CBU* (All Versions), Modicon MC80 - BMKC80 (All Versions), Legacy Modicon Quantum - 140CPU65* and Premium CPUs - TSXP57* (All Versions)

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Ecostruxure Control ExpertApplication
Affected:all versions
Ecostruxure Process ExpertApplication
Affected:< 2021
Modicon M340 Bmxp341000 FirmwareOperating system
Affected:all versions
Modicon M340 Bmxp342000 FirmwareOperating system
Affected:all versions
Modicon M340 Bmxp342010 FirmwareOperating system
Affected:all versions
Modicon M340 Bmxp3420102 FirmwareOperating system
Affected:all versions
Modicon M340 Bmxp342020 FirmwareOperating system
Affected:all versions
Modicon M340 Bmxp342020h FirmwareOperating system
Affected:all versions

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 2021 or later
Fixed in 2021
Recommended fix Moderate confidence

Contact Schneider Electric for specific fixed firmware versions - patch is provided via security notification SEVD-2023-010-05

  1. Contact Schneider Electric technical support to obtain the specific patch for this vulnerability
  2. Request the security notification SEVD-2023-010-05 from Schneider Electric for detailed remediation instructions
  3. Apply the vendor-provided patch or security update to affected controllers
  4. After patching, verify the controller firmware version matches the corrected release
  5. Implement network segmentation to limit exposure of industrial control systems until patching is complete
Caveat Before applying any firmware update, back up controller configurations and verify compatibility with your process control system to prevent operational disruptions

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $2,300. Get the upgrade done

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-45788 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
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