Improper input validation in Siemens 7km Pac Switched Ethernet Profinet Expansion Module
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 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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Siemens 7km Pac Switched Ethernet Profinet Expansion Module
- Siemens 7km Pac Switched Ethernet Profinet Expansion Module Firmware
- Siemens 7km Pac Switched Ethernet Profinet Expansion Module: All Versions < V2.1.3 — versions Siemens 7KM PAC Switched Ethernet PROFINET expansion module: All versions < V2.1.3
Weakness classification (CWE)
References
- www.securityfocus.com/bid/100562 (VDB Entry, Third Party Advisory, vdb-entry)
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-771218.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-9945?
- CVE-2017-9945 is a medium-severity vulnerability in Siemens 7km Pac Switched Ethernet Profinet Expansion Module, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-08-30.
- How severe is CVE-2017-9945?
- Medium severity. CVSS v3 base score is 6.5 out of 10.