A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to crash the CodeMeter Runtime Server.

A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to crash the CodeMeter Runtime Server.

A buffer over-read vulnerability in the CodeMeter Runtime network server could cause the server to return packets containing data from the heap.

An unauthenticated remote attacker could exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server (i.e., CodeMeter.exe). A buffer over-read vulnerability in the HTTP(S) service of the CodeMeter Runtime CmWAN server could cause the server to crash.

An unauthenticated remote attacker with access to the CmWAN port could exploit this issue to crash the CodeMeter Runtime Server (i.e., CodeMeter.exe).

Multiple vulnerabilities were 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 with Version 2.3.9.46, 2.3.9.47, 2.3.9.49, 2.3.9.53, 2.3.9.55, 2.3.9.61 and 2.3.9.66 contain vulnerable versions of WIBU-SYSTEMS Codemeter.

For detailed information please refer to WIBU SYSTEMS original Advisories at https://wibu.com/support/security-advisories.html.