# Incomplete Documentation of remote functions in FESTO products.

CVE record · `CVE-2022-3270`

- **Identifiers:** `CVE-2022-3270`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** CERTVDE
- **Weakness (CWE):** [CWE-1059](https://cwe.mitre.org/data/definitions/1059.html)
- **Tags:** [CWE-1059](https://agentprime.io/advisories/tag/cwe-1059.md)
- **Technologies:** [Festo SE Bus module CPX-E-EP](https://agentprime.io/advisories/technology/festo-se-bus-module-cpx-e-ep.md) · [Festo SE Bus node CPX-FB32](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-fb32.md) · [Festo SE Bus node CPX-FB33](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-fb33.md) · [Festo SE Bus node CPX-FB36](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-fb36.md) · [Festo SE Bus node CPX-FB37](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-fb37.md) · [Festo SE Bus node CPX-FB39](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-fb39.md) · [Festo SE Bus node CPX-FB40](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-fb40.md) · [Festo SE Bus node CPX-FB43](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-fb43.md) · [Festo SE Bus node CPX-M-FB34](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-m-fb34.md) · [Festo SE Bus node CPX-M-FB35](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-m-fb35.md) · [Festo SE Bus node CPX-M-FB44](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-m-fb44.md) · [Festo SE Bus node CPX-M-FB45](https://agentprime.io/advisories/technology/festo-se-bus-node-cpx-m-fb45.md) · [Festo SE Bus node CTEU-EP](https://agentprime.io/advisories/technology/festo-se-bus-node-cteu-ep.md) · [Festo SE Bus node CTEU-PN](https://agentprime.io/advisories/technology/festo-se-bus-node-cteu-pn.md) · [Festo SE Bus node CTEU-PN-EX1C](https://agentprime.io/advisories/technology/festo-se-bus-node-cteu-pn-ex1c.md) · [Festo SE Camera system CHB-C-N](https://agentprime.io/advisories/technology/festo-se-camera-system-chb-c-n.md) · [Festo SE Compact Vision System SBO\*-C-\*](https://agentprime.io/advisories/technology/festo-se-compact-vision-system-sbo-c.md) · [Festo SE Compact Vision System SBO\*-M-\*](https://agentprime.io/advisories/technology/festo-se-compact-vision-system-sbo-m.md) · [Festo SE Compact Vision System SBO\*-Q-\*](https://agentprime.io/advisories/technology/festo-se-compact-vision-system-sbo-q.md) · [Festo SE Control block CPX-CEC](https://agentprime.io/advisories/technology/festo-se-control-block-cpx-cec.md)
- **Published:** 1 Dec 2022
- **Updated:** 24 Apr 2025
- **Reviewed by a person:** No

Published by the CVE Program (CNA: CERTVDE) at 1 Dec 2022, 10:27 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Critical

Critical, because:

- CVSS score 9.8: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Festo SE. Product: Bus module CPX-E-EP.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-FB32.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-FB33.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-FB36.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-FB37.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-FB39.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-FB40.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-FB43.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-M-FB34.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-M-FB35.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-M-FB44.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CPX-M-FB45.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CTEU-EP.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CTEU-PN.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Bus node CTEU-PN-EX1C.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Camera system CHB-C-N.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Compact Vision System SBO\*-C-\*.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Compact Vision System SBO\*-M-\*.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Compact Vision System SBO\*-Q-\*.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-CEC.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-CEC-C1.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-CEC-C1-V3.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-CEC-M1.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-CEC-M1-V3.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-CEC-S1-V3.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-CMXX.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-CMXX.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Control block CPX-FEC-1-IE.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CECC-D.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CECC-D-BA.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CECC-LK.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CECC-S.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CECC-X-\*.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CECX-X-C1.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CECX-X-M1.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CMXH-ST2-C5-7-DIOP.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller CPX-E-CEC-\*.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: Controller SBRD-Q.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: EtherNet/IP interface CPX-AP-I-EP-M12.
  - affected: `all`
  - Other versions: affected
- Vendor: Festo SE. Product: EtherNet/IP interface CPX-AP-I-PN-M12.
  - affected: `all`
  - Other versions: affected

And 16 more products. The full list is on the CVE record: <https://www.cve.org/CVERecord?id=CVE-2022-3270>

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 9.8 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (CERTVDE)

- **CISA KEV:** Not listed.
- **EPSS:** 0.011, the 65th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 1 Dec 2022. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2022-3270](https://www.cve.org/CVERecord?id=CVE-2022-3270)
- [NVD: CVE-2022-3270](https://nvd.nist.gov/vuln/detail/CVE-2022-3270)

### References from the CNA

- <https://cert.vde.com/en/advisories/VDE-2022-041/>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2022-3270>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2022-3270/>. Everything for agents: <https://agentprime.io/llms.txt>.