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Control For Beaglebone SlApplication · Codesys

CVE-2022-47387

HIGH · 8.8 CVSS v3.1 Published 2023-05-15
Fix available
A fix is available. Upgrade to 4.8.0.0 or later.
See remediation →
94/100
Remediation priority · Urgent
Remotely reachable Zero-click

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
An authenticated remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwriting, or remote code execution.

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 confidence

A stack-based out-of-bounds write vulnerability in the CmpTraceMgr component of CODESYS products allows authenticated attackers to write data beyond stack boundaries. This can lead to stack corruption, denial of service, memory overwriting, or potentially remote code execution.

MitigationApply vendor patches from CODESYS when available. Until then, restrict network access to minimize attack surface and enforce strong authentication for access to affected products.

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
Control For Beaglebone SlApplication
Affected:< 4.8.0.0
Control For Empc A\/imx6 SlApplication
Affected:< 4.8.0.0
Control For Iot2000 SlApplication
Affected:< 4.8.0.0
Control For Linux SlApplication
Affected:< 4.8.0.0
Control For Pfc100 SlApplication
Affected:< 4.8.0.0
Control For Pfc200 SlApplication
Affected:< 4.8.0.0
Control For Plcnext SlApplication
Affected:< 4.8.0.0
Control For Raspberry Pi SlApplication
Affected:< 4.8.0.0

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
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify CODESYS Control product variant
    Determine which CODESYS Control SL product is installed (Beaglebone, Empc A/imx6, IoT2000, Linux, PFC100, PFC200, PLCnext, or Raspberry Pi)
    Affected if The product is one of the eight listed variants
  2. Check installed version
    Locate the installed CODESYS Control version on the target system and compare it to 4.8.0.0
    Affected if Installed version is less than 4.8.0.0
  3. Verify CmpTraceMgr component status
    Inspect the CODESYS runtime configuration or component list to determine if CmpTraceMgr is loaded and active
    Affected if CmpTraceMgr component is enabled in the runtime
  4. Assess network exposure
    Review network configuration and authentication settings for the CODESYS runtime service
    Affected if The runtime is accessible over network without proper access controls or weak authentication is in use

A system is affected if it runs any of the eight CODESYS Control SL variants with version below 4.8.0.0, has the CmpTraceMgr component active, and is network-accessible to authenticated attackers.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 4.8.0.0 or later
Fixed in 4.8.0.0
Interim mitigation

Apply vendor patches from CODESYS when available. Until then, restrict network access to minimize attack surface and enforce strong authentication for access to affected products.

Recommended fix High confidence

CODESYS Control products version 4.8.0.0 or later

  1. 1. Identify the specific CODESYS Control product in use (Beaglebone, Empc A/imx6, Iot2000, Linux, Pfc100, Pfc200, Plcnext, or Raspberry Pi)
  2. 2. Check the current installed version of the CODESYS Control product
  3. 3. Access the official CODESYS download portal at store.codesys.com or contact customers.codesys.com for the 4.8.0.0 or later version
  4. 4. Download the appropriate installer for your specific device/product
  5. 5. Before upgrading, backup all existing projects, configurations, and settings
  6. 6. Test the upgrade in a non-production/staging environment first
  7. 7. Follow the standard CODESYS upgrade procedure for the specific device, ensuring proper shutdown of runtime services
  8. 8. After upgrade, verify the CmpTraceMgr Component is updated and confirm the new version is 4.8.0.0 or higher

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

Fix this in Control For Beaglebone Sl Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA2.0 h
20.0 hours of engineering $3,500
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,600.

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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-2022-47387 in production — separate from our analysis above.

No notes yet

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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
  • No spam, self-promotion, credentials, or personal data