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.
References (4)
Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/99234
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1038788
Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-17-173-01
Vendor Advisory x_refsource_confirm
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-126840.pdf
Scores
CVSS v3
8.1
EPSS
0.0420
EPSS Percentile
88.9%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-287
Status
published
Products (2)
n/a/Siemens SIMATIC CP 44x-1 Redundant Network Access Modules
Siemens SIMATIC CP 44x-1 Redundant Network Access Modules
siemens/simatic_cp_44x-1_redundant_network_access_modules
< 1.4.0
Published
Jul 07, 2017
Tracked Since
Feb 18, 2026