Improper input validation in Siemens 7KM PAC Switched Ethernet PROFINET expansion module…
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
In the Siemens 7KM PAC Switched Ethernet PROFINET expansion module (All versions < V2.1.3), a Denial-of-Service condition could be induced by a specially crafted PROFINET DCP packet sent as a local Ethernet (Layer 2) broadcast. The affected component requires a manual restart via the main device to recover.
Why it matters now
EPSS 0.00537 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Siemens 7KM PAC Switched Ethernet PROFINET expansion module: All versions < V2.1.3 | Siemens 7KM PAC Switched Ethernet PROFINET expansion module: All versions < V2.1.3 | — | No fix listed | CNA |
- Siemens 7KM PAC Switched Ethernet PROFINET expansion module: All versions < V2.1.3 Vendor— Affected Siemens 7KM PAC Switched Ethernet PROFINET expansion module: All versions < V2.1.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-9945
- 2026-10-03 Alias added: GHSA-p785-pc36-p534
References
Sources
- CVE-2017-9945 · CVE Program
- CVE-2017-9945 · NVD
- FIRST EPSS
- GHSA-p785-pc36-p534 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences