# Integer overflow in PTC ThingWorx Edge C-SDK and others

CVE record · `CVE-2023-0754`

- **Identifiers:** `CVE-2023-0754`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** icscert
- **Weakness (CWE):** [CWE-190](https://cwe.mitre.org/data/definitions/190.html)
- **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md)
- **Technologies:** [PTC ThingWorx Edge C-SDK](https://agentprime.io/advisories/technology/ptc-thingworx-edge-c-sdk.md) · [Microsoft .NET-SDK](https://agentprime.io/advisories/technology/microsoft-net-sdk.md) · [PTC ThingWorx Edge MicroServer (EMS)](https://agentprime.io/advisories/technology/ptc-thingworx-edge-microserver-ems.md) · [PTC Kepware KEPServerEX](https://agentprime.io/advisories/technology/ptc-kepware-kepserverex.md) · [PTC ThingWorx Kepware Server](https://agentprime.io/advisories/technology/ptc-thingworx-kepware-server.md) · [PTC ThingWorx Industrial Connectivity](https://agentprime.io/advisories/technology/ptc-thingworx-industrial-connectivity.md) · [PTC ThingWorx Kepware Edge](https://agentprime.io/advisories/technology/ptc-thingworx-kepware-edge.md) · [Rockwell Automation KEPServer Enterprise](https://agentprime.io/advisories/technology/rockwell-automation-kepserver-enterprise.md) · [General Electric Digital Industrial Gateway Server](https://agentprime.io/advisories/technology/general-electric-digital-industrial-gateway-server.md)
- **Published:** 23 Feb 2023
- **Updated:** 16 Jan 2025
- **Reviewed by a person:** No

Published by the CVE Program (CNA: icscert) at 23 Feb 2023, 21:27 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: PTC. Product: ThingWorx Edge C-SDK.
  - affected: `v2.2.12.1052 and earlier` (custom)
  - Other versions: unaffected
- Vendor: Microsoft. Product: .NET-SDK.
  - affected: `v5.8.4.971 and earlier` (custom)
  - Other versions: unaffected
- Vendor: PTC. Product: ThingWorx Edge MicroServer (EMS).
  - affected: `v5.4.10.0 and earlier` (custom)
  - Other versions: unaffected
- Vendor: PTC. Product: Kepware KEPServerEX.
  - affected: `v6.12 and earlier` (custom)
  - Other versions: unaffected
- Vendor: PTC. Product: ThingWorx Kepware Server.
  - affected: `v6.12 and earlier` (custom)
  - Other versions: unaffected
- Vendor: PTC. Product: ThingWorx Industrial Connectivity.
  - affected: `All Versions`
  - Other versions: unaffected
- Vendor: PTC. Product: ThingWorx Kepware Edge.
  - affected: `v1.5 and earlier` (custom)
  - Other versions: unaffected
- Vendor: Rockwell Automation. Product: KEPServer Enterprise.
  - affected: `v6.12 and earlier` (custom)
  - Other versions: unaffected
- Vendor: General Electric. Product: Digital Industrial Gateway Server.
  - affected: `v7.612 and earlier` (custom)
  - Other versions: unaffected

## 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 (icscert)

- **CISA KEV:** Not listed.
- **EPSS:** 0.029, the 87th percentile, on 6 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 23 Feb 2023. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2023-0754](https://www.cve.org/CVERecord?id=CVE-2023-0754)
- [NVD: CVE-2023-0754](https://nvd.nist.gov/vuln/detail/CVE-2023-0754)

### References from the CNA

- <https://www.cisa.gov/uscert/ics/advisories/icsa-23-054-01>

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-2023-0754>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2023-0754/>. Everything for agents: <https://agentprime.io/llms.txt>.