The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the authentication mechanism is enabled.
https://www.exploit-db.com/exploits/45590/
https://ics-cert.us-cert.gov/advisories/ICSA-313-01
http://www.securityfocus.com/bid/94163
Source: Mitre, NVD
Published: 2018-04-05
Updated: 2018-10-14
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 7.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L