# Uncontrolled resource consumption in Siemens Opcenter Execution Discrete and others

CVE record · `CVE-2020-7587`

- **Identifiers:** `CVE-2020-7587`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** siemens
- **Weakness (CWE):** [CWE-400](https://cwe.mitre.org/data/definitions/400.html)
- **Tags:** [Denial of service](https://agentprime.io/advisories/tag/dos.md)
- **Technologies:** [Siemens Opcenter Execution Discrete](https://agentprime.io/advisories/technology/siemens-opcenter-execution-discrete.md) · [Siemens Opcenter Execution Foundation](https://agentprime.io/advisories/technology/siemens-opcenter-execution-foundation.md) · [Siemens Opcenter Execution Process](https://agentprime.io/advisories/technology/siemens-opcenter-execution-process.md) · [Siemens Opcenter Intelligence](https://agentprime.io/advisories/technology/siemens-opcenter-intelligence.md) · [Siemens Opcenter Quality](https://agentprime.io/advisories/technology/siemens-opcenter-quality.md) · [Siemens Opcenter RD&L](https://agentprime.io/advisories/technology/siemens-opcenter-rd-l.md) · [Siemens SIMATIC IT LMS](https://agentprime.io/advisories/technology/siemens-simatic-it-lms.md) · [Siemens SIMATIC IT Production Suite](https://agentprime.io/advisories/technology/siemens-simatic-it-production-suite.md) · [Siemens SIMATIC Notifier Server for Windows](https://agentprime.io/advisories/technology/siemens-simatic-notifier-server-for-windows.md) · [Siemens SIMATIC PCS neo](https://agentprime.io/advisories/technology/siemens-simatic-pcs-neo.md) · [Siemens SIMATIC STEP 7 (TIA Portal) V15](https://agentprime.io/advisories/technology/siemens-simatic-step-7-tia-portal-v15.md) · [Siemens SIMATIC STEP 7 (TIA Portal) V16](https://agentprime.io/advisories/technology/siemens-simatic-step-7-tia-portal-v16.md) · [Siemens SIMOCODE ES V15.1](https://agentprime.io/advisories/technology/siemens-simocode-es-v15-1.md) · [Siemens SIMOCODE ES V16](https://agentprime.io/advisories/technology/siemens-simocode-es-v16.md) · [Siemens Soft Starter ES V15.1](https://agentprime.io/advisories/technology/siemens-soft-starter-es-v15-1.md) · [Siemens Soft Starter ES V16](https://agentprime.io/advisories/technology/siemens-soft-starter-es-v16.md)
- **Published:** 14 Jul 2020
- **Updated:** 4 Aug 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: siemens) at 14 Jul 2020, 13:18 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.

## Affected products, as the CNA wrote them

- Vendor: Siemens. Product: Opcenter Execution Discrete.
  - affected: `All versions < V3.2`
- Vendor: Siemens. Product: Opcenter Execution Foundation.
  - affected: `All versions < V3.2`
- Vendor: Siemens. Product: Opcenter Execution Process.
  - affected: `All versions < V3.2`
- Vendor: Siemens. Product: Opcenter Intelligence.
  - affected: `All versions < V3.3`
- Vendor: Siemens. Product: Opcenter Quality.
  - affected: `All versions < V11.3`
- Vendor: Siemens. Product: Opcenter RD&L.
  - affected: `V8.0`
- Vendor: Siemens. Product: SIMATIC IT LMS.
  - affected: `All versions < V2.6`
- Vendor: Siemens. Product: SIMATIC IT Production Suite.
  - affected: `All versions < V8.0`
- Vendor: Siemens. Product: SIMATIC Notifier Server for Windows.
  - affected: `All versions`
- Vendor: Siemens. Product: SIMATIC PCS neo.
  - affected: `All versions < V3.0 SP1`
- Vendor: Siemens. Product: SIMATIC STEP 7 (TIA Portal) V15.
  - affected: `All versions < V15.1 Update 5`
- Vendor: Siemens. Product: SIMATIC STEP 7 (TIA Portal) V16.
  - affected: `All versions < V16 Update 2`
- Vendor: Siemens. Product: SIMOCODE ES V15.1.
  - affected: `All versions < V15.1 Update 4`
- Vendor: Siemens. Product: SIMOCODE ES V16.
  - affected: `All versions < V16 Update 1`
- Vendor: Siemens. Product: Soft Starter ES V15.1.
  - affected: `All versions < V15.1 Update 3`
- Vendor: Siemens. Product: Soft Starter ES V16.
  - affected: `All versions < V16 Update 1`

## 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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.025, the 84th 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 14 Jul 2020. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2020-7587](https://www.cve.org/CVERecord?id=CVE-2020-7587)
- [NVD: CVE-2020-7587](https://nvd.nist.gov/vuln/detail/CVE-2020-7587)

### References from the CNA

- <https://cert-portal.siemens.com/productcert/pdf/ssa-841348.pdf>

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-2020-7587>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2020-7587/>. Everything for agents: <https://agentprime.io/llms.txt>.
