OPC Security Vulnerabilities

CVE-2019-13946

Profinet-IO (PNIO) stack versions prior V06.00 do not properly limit internal resource allocation when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface. This could lead to a denial of service condition due to lack of memory for devices that include a vulnerable...

CVE-2015-5628

Stack-based buffer overflow in Yokogawa CENTUM CS 1000 R3.08.70 and earlier, CENTUM CS 3000 R3.09.50 and earlier, CENTUM CS 3000 Entry R3.09.50 and earlier, CENTUM VP R5.04.20 and earlier, CENTUM VP Entry R5.04.20 and earlier, ProSafe-RS R3.02.10 and earlier, Exaopc R3.72.00 and earlier,...

CVE-2015-5627

Stack-based buffer overflow in Yokogawa CENTUM CS 1000 R3.08.70 and earlier, CENTUM CS 3000 R3.09.50 and earlier, CENTUM CS 3000 Entry R3.09.50 and earlier, CENTUM VP R5.04.20 and earlier, CENTUM VP Entry R5.04.20 and earlier, ProSafe-RS R3.02.10 and earlier, Exaopc R3.72.00 and earlier,...

CVE-2015-5626

Stack-based buffer overflow in Yokogawa CENTUM CS 1000 R3.08.70 and earlier, CENTUM CS 3000 R3.09.50 and earlier, CENTUM CS 3000 Entry R3.09.50 and earlier, CENTUM VP R5.04.20 and earlier, CENTUM VP Entry R5.04.20 and earlier, ProSafe-RS R3.02.10 and earlier, Exaopc R3.72.00 and earlier,...

CVE-2019-13542

3S-Smart Software Solutions GmbH CODESYS V3 OPC UA Server, all versions 3.5.11.0 to 3.5.15.0, allows an attacker to send crafted requests from a trusted OPC UA client that cause a NULL pointer dereference, which may trigger a denial-of-service...

CVE-2019-6575

A vulnerability has been identified in SIMATIC CP 443-1 OPC UA (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V2.7), SIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants) (All versions < V15.1 Upd 4), SIMATIC HMI Comfort P...

CVE-2019-6568

The webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation which leads to a restart of the webserver of the affected device. The security vulnerability could be exploited by an attacker with...