CVE-2017-9945
In the Siemens 7KM PAC Switched Ethernet PROFINET expansion module (All versions < V2.1.3), a Denial-of-Service condition could be induced…
- Published
- Updated
- Reserved
- Assigned by
- siemens
Description
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.
Timeline
ID reserved
By siemens
- 2 months later
· 2 months later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.5 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.54% · top 54% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
- Denial-of-Service
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
Affected products
Siemens 7KM PAC Switched Ethernet PROFINET expansion module: All versions < V2.1.3
- affected Siemens 7KM PAC Switched Ethernet PROFINET expansion module: All versions < V2.1.3
References (2)
- 100562 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-771218.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-9945)Record last updated .