Phoenix Contact Classic Line industrial controllers (ILC1x0 and ILC1x1 product families as well as the AXIOLINE controllers AXC1050 and AXC3050) are developed and designed for the use in closed industrial networks. The communication protocols used for device management and configuration do not feature authentication measures.



A manipulated PC Worx or Config+ project file could lead to a remote code execution.
The attacker needs to get access to an original PC Worx or Config+ project file to be able to manipulate it. After manipulation the attacker needs to exchange the original file by the manipulated one on the application programming workstation.



A security researcher discovered that the affected application doesn't properly restrict access to an endpoint that is responsible for saving settings, to a user with limited access rights. Based on the lack of adequately implemented access-control rules, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to change the application settings without authenticating at all, which violates originally laid ACL rules.



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Legend

(Scoring for CVSS 2.0,3.0+3.1)
None
No CVE available
Low
0.1 <= 3.9
Medium
4.0 <= 6.9
High
7.0 <= 8.9
Critical
9.0 <= 10.0