Description
An Improper Authentication issue was discovered in Siemens SIMATIC CP 44x-1 RNA, all versions prior to 1.4.1. An unauthenticated remote attacker may be able to perform administrative actions on the Communication Process (CP) of the RNA series module, if network access to Port 102/TCP is available and the configuration file for the CP is stored on the RNA's CPU.
Metrics
CVSS 3.0 8.1/10
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | Siemens SIMATIC CP 44x-1 Redundant Network Access Modules | Siemens SIMATIC CP 44x-1 Redundant Network Access Modules |
References
- http://www.securityfocus.com/bid/99234Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038788Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-173-01Third Party Advisory, US Government Resource
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-126840.pdf
- http://www.securityfocus.com/bid/99234Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038788Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-173-01Third Party Advisory, US Government Resource
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-126840.pdf
Timeline
- Published
- Jul 7, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified