ProConOS/ProConOS eCLR designed for use in closed industrial networks provide communication protocols without authentication.

Please also refer the original ICS-CERT advisory ICSA-15-013-03 published 13 January 2015.



ProConOS/ProConOS eCLR insufficiently verifies uploaded data.



The affected devices insufficiently verify uploaded data.



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.

Update A, 2022-06-21

This updated version contains additional affected products.
In addition, a new application note for classic line controllers had been published to make it easier for our customers to find out the actions how to disable the unauthorized communication ports instead of checking out each controller’s manual.



Multiple vulnerabilities have been discovered in the firmware and in libraries utilized of RAD-ISM-900-EN-BD devices:

In addition to the above listed CVEs the following issues were identified:

Vulnerabilities related to outdated libraries:

  • BusyBox version 0.60.1: A CVE scan revealed 13 potential vulnerabilities. Some of these vulnerabilities impact services used by this device such as NTP and DHCP.
  • OpenSSL version 0.9.7-beta3: This version of OpenSSL uses deprecated ciphers and a CVE scan revealed over 87 potential vulnerabilities.

Over-privileged web application:
The web application is operated with root privileges. Therefore, if an attacker were able to achieve RCE via the web application they would be executing with the highest level of privileges.



Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling.
For the mGuard Device Manager only the mdm Installer for Windows is affected.



FL MGUARD and TC MGUARD devices are affected by a possible infinite loop within a OpenSSL library method for parsing elliptic curve parameters. This method is used on parsing cryptographic certificates that contain elliptic curve public keys in compressed form, which may occur on:

  • Parsing client certificates for HTTPS administrative login
  • Parsing client certificates for SSH administrative login
  • Parsing peer certificates for IPsec VPN connections
  • Parsing certificates of external servers, including:
    • OpenVPN server
    • Configuration pull server
    • Update server

Attackers could try to exploit the vulnerability from remote.
For the mGuard Device Manager only the mdm Installer for Windows is affected.

UPDATE A: Added FL MGUARD 1102 and FL MGUARD 1105:

On FL MGUARD 1102 and FL MGUARD 1105 with mGuardNT 1.5.2 and older, the device can
be affected through an adapted certificate. This can occur on connection with a remote logging
server, configured for certificate authentication, or an remote authentication server at certificate
based authentication.



PLCnext Control AXC F x152 is certified according to IEC 62443-4-1 and IEC 62443-4-2.
This certification requires that all third-party components used in the firmware are regularly checked for known vulnerabilities.

Firmware components in version 2021.06 had already been updated. For the 2022.0 LTS version more firmware components have been updated implicitly fixing the vulnerabilities listed. The vulnerabilities listed above have not been individually verified in terms of actual impact and/or limitations in combination with the affected products listed. The current LTS release 2022.0 LTS contains updates of integrated third-party libraries, SDKs and other third-party software to address these issues nevertheless.

UPDATE A (April 4th, 2022): Added RFC 4072 (Art. No. 1051328) and fixed affected version of AXC F 3152 



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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