Siemens Simatic S7-Plcsim Advanced vulnerabilities

CVE-2020-15782 [CRITICAL] CWE-119 CVE-2020-15782: A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMA A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.

CVE-2026-25787 [CRITICAL] CWE-79 CVE-2026-25787: Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the " Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the "Motion Control Diagnostics" page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page. If a benign user with appropriate rights access

CVE-2026-25786 [CRITICAL] CWE-79 CVE-2026-25786: Affected devices do not properly validate and sanitize PLC/station name rendered on the "communicati Affected devices do not properly validate and sanitize PLC/station name rendered on the "communication" parameters page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page. If a benign user with appropriate rights accesses the "commu

CVE-2025-40943 [CRITICAL] CWE-95 CVE-2025-40943: Affected devices do not properly sanitize contents of trace files. This could allow an attacker t Affected devices do not properly sanitize contents of trace files. This could allow an attacker to inject code through social engineering an authorized user, who has the function right "Read diagnostics", to import a specially crafted trace file. The malicious trace file is insufficiently sanitized and malicious code could be executed in the clients

CVE-2021-37204 [HIGH] CWE-672 CVE-2021-37204: A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMA A vulnerability has been identified in SIMATIC Drive Controller family (All versions = V2.9.2 = V21.9 = V4.5.0 = V2.9.2 = V21.9 = V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over

CVE-2021-37185 [HIGH] CWE-672 CVE-2021-37185: A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2. A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 = V21.9 = V4.5.0 = V2.9.2 = V21.9 = V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets ov

CVE-2021-37205 [HIGH] CWE-401 CVE-2021-37205: A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2. A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 = V21.9 = V4.5.0 = V2.9.2 = V21.9 = V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets ov

CVE-2019-10943 [HIGH] CWE-353 CVE-2019-10943: A vulnerability has been identified in SIMATIC Drive Controller family (All versions), SIMATIC ET 20 A vulnerability has been identified in SIMATIC Drive Controller family (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions = V20.8), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions = V4.4.0), SIMATIC

CVE-2023-46156 [HIGH] CWE-416 CVE-2023-46156: Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.

CVE-2023-28831 [HIGH] CWE-190 CVE-2023-28831: The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnera The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation. This could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate.

CVE-2022-38465 [HIGH] CWE-522 CVE-2022-38465: A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMA A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0)

CVE-2025-30033 [HIGH] CWE-427 CVE-2025-30033: The affected setup component is vulnerable to DLL hijacking. This could allow an attacker to execute The affected setup component is vulnerable to DLL hijacking. This could allow an attacker to execute arbitrary code when a legitimate user installs an application that uses the affected setup component.

CVE-2021-40365 [HIGH] CWE-20 CVE-2021-40365: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

CVE-2026-54429 [HIGH] CWE-770 CVE-2026-54429: A vulnerability has been identified in SIMATIC S7-PLCSIM Advanced (All versions). Affected devices d A vulnerability has been identified in SIMATIC S7-PLCSIM Advanced (All versions). Affected devices do not properly handle high-volume multicast network traffic, which can exhaust available memory resources in the affected application. This could allow an unauthenticated attacker on the local network segment to cause a denial-of-service condition of th

CVE-2021-44695 [HIGH] CWE-1286 CVE-2021-44695: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

CVE-2021-44693 [HIGH] CWE-1284 CVE-2021-44693: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

CVE-2021-44694 [HIGH] CWE-1287 CVE-2021-44694: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

CVE-2026-25789 [HIGH] CWE-79 CVE-2026-25789: Affected devices do not properly validate and sanitize filenames on the Firmware Update page. This c Affected devices do not properly validate and sanitize filenames on the Firmware Update page. This could allow a remote attacker to social engineer the user into selecting the modified firmware file to be uploaded. This would result in malitcious JavaScript execution in the context of the authenticated user's session without requiring the file to be up

CVE-2019-6568 [HIGH] CWE-125 CVE-2019-6568: The webserver of the affected devices contains a vulnerability that may lead to a denial of service 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 network access to the affected systems. Successful exploitat

CVE-2024-46887 [MEDIUM] CWE-288 CVE-2024-46887: The web server of affected devices do not properly authenticate user request to the '/ClientArea/Run The web server of affected devices do not properly authenticate user request to the '/ClientArea/RuntimeInfoData.mwsl' endpoint. This could allow an unauthenticated remote attacker to gain knowledge about current actual and configured maximum cycle times as well as about configured maximum communication load.