CVE-2022-24322
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 · uneditedA CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a disruption of communication between the Modicon controller and the engineering software when an attacker is able to intercept and manipulate specific Modbus response data. Affected Product: EcoStruxure Control Expert (V15.0 SP1 and prior)
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 · moderate confidenceThis is a memory buffer handling vulnerability (CWE-119) in EcoStruxure Control Expert's Modbus communication module. When an attacker intercepts and manipulates specific Modbus response data from a Modicon controller, the software improperly processes the data beyond memory buffer bounds, causing a disruption of communication between the controller and engineering software.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
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< 15.0= 15.0CVSS 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
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify EcoStruxure Control Expert versionLocate the installed EcoStruxure Control Expert version in the software or system information (typically found in the About section, installation directory, or Windows Programs and Features). Compare the version number against the affected range: versions < 15.0 and version 15.0 are vulnerable.Affected if The installed version is 15.0 or any version below 15.0.
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Confirm Modbus communication module is in useDetermine whether Modbus communication is configured within the EcoStruxure Control Expert project. This is typically verified by examining the project configuration, communication settings, or I/O scanner configuration where Modbus protocol modules are defined.Affected if Modbus communication is enabled and the software is configured to communicate with Modicon controllers.
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Verify Modicon controller connectivityReview the project or system configuration to identify whether any Modicon PLCs (such as M340, M580, or similar) are defined as communication targets or are present in the engineering environment.Affected if Modicon controllers are defined as communication targets in the EcoStruxure Control Expert project.
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Assess network exposure of Modbus trafficEvaluate whether Modbus traffic between the engineering workstation and controllers is transmitted over untrusted or shared networks where interception is possible. This includes checking if TLS or encryption is applied to Modbus communications.Affected if Modbus traffic traverses networks without encryption or proper segmentation, allowing potential interception and manipulation.
A user is affected if EcoStruxure Control Expert version 15.0 or below is installed, Modbus communication with Modicon controllers is configured, and the Modbus traffic is vulnerable to interception or manipulation.
Generated from the published advisory. Verify against your own configuration.
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.
From vendor data15.0
Apply the vendor patch for EcoStruxure Control Expert V15.0 SP1 and prior. Additionally, implement network segmentation and TLS/encryption for Modbus traffic to prevent attackers from intercepting and manipulating communication.
- Consultation4.0 h
- Implementation8.0 h
- Testing12.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,616.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-24322 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2022-24322 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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