# Uncontrolled resource consumption in Siemens SIMATIC CFU DIQ and others CVE record · `CVE-2022-25622` - **Identifiers:** `CVE-2022-25622` - **State:** Confirmed - **Severity:** CVSS 5.3 Medium - **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 SIMATIC CFU DIQ](https://agentprime.io/advisories/technology/siemens-simatic-cfu-diq.md) · [Siemens SIMATIC CFU PA](https://agentprime.io/advisories/technology/siemens-simatic-cfu-pa.md) · [Siemens SIMATIC ET 200AL IM 157-1 PN](https://agentprime.io/advisories/technology/siemens-simatic-et-200al-im-157-1-pn.md) · [Siemens SIMATIC ET 200MP IM 155-5 PN HF](https://agentprime.io/advisories/technology/siemens-simatic-et-200mp-im-155-5-pn-hf.md) · [Siemens SIMATIC ET 200pro IM 154-8 PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200pro-im-154-8-pn-dp-cpu.md) · [Siemens SIMATIC ET 200pro IM 154-8F PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200pro-im-154-8f-pn-dp-cpu.md) · [Siemens SIMATIC ET 200pro IM 154-8FX PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200pro-im-154-8fx-pn-dp-cpu.md) · [Siemens SIMATIC ET 200S IM 151-8 PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200s-im-151-8-pn-dp-cpu.md) · [Siemens SIMATIC ET 200S IM 151-8F PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200s-im-151-8f-pn-dp-cpu.md) · [Siemens SIMATIC ET 200SP IM 155-6 MF HF](https://agentprime.io/advisories/technology/siemens-simatic-et-200sp-im-155-6-mf-hf.md) · [Siemens SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants)](https://agentprime.io/advisories/technology/siemens-simatic-et-200sp-im-155-6-pn-ha-incl-siplus-variants.md) · [Siemens SIMATIC ET 200SP IM 155-6 PN HF](https://agentprime.io/advisories/technology/siemens-simatic-et-200sp-im-155-6-pn-hf.md) · [Siemens SIMATIC ET 200SP IM 155-6 PN/2 HF](https://agentprime.io/advisories/technology/siemens-simatic-et-200sp-im-155-6-pn-2-hf.md) · [Siemens SIMATIC ET 200SP IM 155-6 PN/3 HF](https://agentprime.io/advisories/technology/siemens-simatic-et-200sp-im-155-6-pn-3-hf.md) · [Siemens SIMATIC ET200ecoPN, AI 8xRTD/TC, M12-L](https://agentprime.io/advisories/technology/siemens-simatic-et200ecopn-ai-8xrtd-tc-m12-l.md) · [Siemens SIMATIC ET200ecoPN, CM 4x IO-Link, M12-L](https://agentprime.io/advisories/technology/siemens-simatic-et200ecopn-cm-4x-io-link-m12-l.md) · [Siemens SIMATIC ET200ecoPN, CM 8x IO-Link, M12-L](https://agentprime.io/advisories/technology/siemens-simatic-et200ecopn-cm-8x-io-link-m12-l.md) · [Siemens SIMATIC ET200ecoPN, DI 16x24VDC, M12-L](https://agentprime.io/advisories/technology/siemens-simatic-et200ecopn-di-16x24vdc-m12-l.md) · [Siemens SIMATIC ET200ecoPN, DI 8x24VDC, M12-L](https://agentprime.io/advisories/technology/siemens-simatic-et200ecopn-di-8x24vdc-m12-l.md) · [Siemens SIMATIC ET200ecoPN, DIQ 16x24VDC/2A, M12-L](https://agentprime.io/advisories/technology/siemens-simatic-et200ecopn-diq-16x24vdc-2a-m12-l.md) - **Published:** 12 Apr 2022 - **Updated:** 21 Apr 2025 - **Reviewed by a person:** No Published by the CVE Program (CNA: siemens) at 12 Apr 2022, 00:00 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: SIMATIC CFU DIQ. - affected: `before V2.0.0` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC CFU PA. - affected: `before V2.0.0` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200AL IM 157-1 PN. - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200MP IM 155-5 PN HF. - affected: `V4.2.0 to before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200pro IM 154-8 PN/DP CPU. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200pro IM 154-8F PN/DP CPU. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200pro IM 154-8FX PN/DP CPU. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200S IM 151-8 PN/DP CPU. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200S IM 151-8F PN/DP CPU. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200SP IM 155-6 MF HF. - affected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants). - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200SP IM 155-6 PN HF. - affected: `V4.2.0 to before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200SP IM 155-6 PN/2 HF. - affected: `V4.2.0 to before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200SP IM 155-6 PN/3 HF. - affected: `V4.2.0 to before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, AI 8xRTD/TC, M12-L. - affected: `V5.1.1 to before V5.1.2` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, CM 4x IO-Link, M12-L. - affected: `V5.1.1 to before V5.1.2` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, CM 8x IO-Link, M12-L. - affected: `V5.1.1 to before V5.1.2` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, CM 8x IO-Link, M12-L. - affected: `V5.1.1 to before V5.1.2` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, DI 16x24VDC, M12-L. - affected: `V5.1.1 to before V5.1.2` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, DI 8x24VDC, M12-L. - affected: `V5.1.1 to before V5.1.2` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, DIQ 16x24VDC/2A, M12-L. - affected: `V5.1.1 to before V5.1.3` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, DQ 8x24VDC/0,5A, M12-L. - affected: `V5.1.1 to before V5.1.2` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET200ecoPN, DQ 8x24VDC/2A, M12-L. - affected: `V5.1.1 to before V5.1.2` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC PN/MF Coupler. - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC PN/PN Coupler. - affected: `All versions >= 4.2` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants). - affected: `All versions < V2.0.0` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 314C-2 PN/DP. - affected: `All versions < V3.3.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 315-2 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 315F-2 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 315T-3 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 317-2 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 317F-2 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 317T-3 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 317TF-3 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 319-3 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 319F-3 PN/DP. - affected: `All versions < V3.2.19` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-400 CPU 412-2 PN V7. - affected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-400 CPU 414-3 PN/DP V7. - affected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-400 CPU 414F-3 PN/DP V7. - affected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-400 CPU 416-3 PN/DP V7. - affected: `before *` (custom) - Other versions: unknown And 42 more products. The full list is on the CVE record: ## 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 - 5.3 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C`, from CNA (siemens) - **CISA KEV:** Not listed. - **EPSS:** 0.0090, the 59th percentile, on 7 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 12 Apr 2022. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2022-25622](https://www.cve.org/CVERecord?id=CVE-2022-25622) - [NVD: CVE-2022-25622](https://nvd.nist.gov/vuln/detail/CVE-2022-25622) ### References from the CNA - - 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 (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .