Improper authentication in Siemens SIMATIC CP 44x-1 Redundant Network Access Modules
Priority MEDIUM 42CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
EPSS 0.04174 90th 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 SIMATIC CP 44x-1 Redundant Network Access Modules | Siemens SIMATIC CP 44x-1 Redundant Network Access Modules | — | No fix listed | CNA |
- Siemens SIMATIC CP 44x-1 Redundant Network Access Modules Vendor— Affected Siemens SIMATIC CP 44x-1 Redundant Network Access Modules Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6868
- 2026-10-03 Alias added: GHSA-x7xv-3f7c-pp2m
References
Sources
- CVE-2017-6868 · CVE Program
- CVE-2017-6868 · NVD
- FIRST EPSS
- GHSA-x7xv-3f7c-pp2m · 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