A vulnerability is reported in WIBU-SYSTEMS Codemeter. WIBU-SYSTEMS Codemeter is installed by default during e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) installations. All currently existing e!COCKPIT installation bundles and WAGO-I/O-Pro (CODESYS 2.3) installation bundles are affected with vulnerable versions of WIBU-SYSTEMS Codemeter.



The user management of the FL SWITCH 2xxx family of devices implements access rights based on roles and permission groups. An unprivileged user logged in via the SSH CLI is assigned to the admin role independent of his configured access role enabling full access to the device configuration (CWE-266 - Incorrect Privilege Assignment).

User Management via SSH was first introduced with firmware version 3.00. Firmware versions other than 3.00 are not affected by this vulnerability.



Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This allows for XXE-based attacks in applications that accept attacker-controlled log4net configuration files.



The TCP/IP stack and of the networking component (Nucleus NET) in Nucleus Real-Time Operating System (RTOS) contain several vulnerabilities. Nucleus NET is utilized by BLUEMARK X1 / LED / CLED.

The abovementioned BLUEMARK printers are discontinued and only impacted by a subset of 8 of the 13 discovered vulnerabilities.



Apache Log4j is used for logging events in WAGO Smart Script in Version 4.2 and higher.  Events logged by Log4j can contain JNDI references. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. Additionally, Log4j does not protect from self-referential lookups, which can lead to Denial of Service.

UPDATE A1/2: 
Affected versions:

CVE-2021-44228 and CVE-2021-45046:
WAGO Smart Script >= Version 4.2 and < Version 4.8.1.3

CVE-2021-45105:
WAGO Smart Script >= Version 4.2 and < Version 4.8.1.4

CVE-2021-44832
WAGO Smart Script >= Version 4.2 and < Version 4.8.1.5

END UPDATE A1/2



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