Siemens SIMATIC S7-300 CPU
As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2018-16561US | high7.5 | — | ||
A vulnerability has been identified in SIMATIC S7-300 CPUs (All versions < V3.X.16). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Se… | ||||
references
External citations — patches, advisories, analysis.
- SSA-306710: Denial-of-Service Vulnerability in SIMATIC S7-300 CPU Family - HTML Versionself
- ICS Advisory ICSA-19-043-04 JSONself
- Recommended Practicesexternal
- ICS Advisory ICSA-19-043-04 - Web Versionself
- Recommended Practicesexternal
- Recommended Practicesexternal
- Recommended Practicesexternal
- Recommended Practicesexternal
remediations (2)
- MitigationSIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)
Siemens recommends operating the devices only within trusted networks
- FixedSIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)
Update to V3.X.16 or any later version https://support.industry.siemens.com/cs/ww/en/ps/13752/dl
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