Siemens Simatic S7-Plcsim Advanced vulnerabilities

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-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-2026-25789 [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-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 clie

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-2023-37482 [MEDIUM] CWE-203 CVE-2023-37482: The login functionality of the web server in affected devices does not normalize the response times The login functionality of the web server in affected devices does not normalize the response times of login attempts. An unauthenticated remote attacker could exploit this side-channel information to distinguish between valid and invalid usernames.

CVE-2024-46886 [MEDIUM] CWE-601 CVE-2024-46886: The web server of affected devices does not properly validate input that is used for a user redirect The web server of affected devices does not properly validate input that is used for a user redirection. This could allow an attacker to make the server redirect the legitimate user to an attacker-chosen URL. For a successful exploit, the legitimate user must actively click on an attacker-crafted link.

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.

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-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-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-2021-40365 [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-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-2022-30694 [LOW] CWE-352 CVE-2022-30694: The login endpoint /FormLogin in affected web services does not apply proper origin checking. Thi The login endpoint /FormLogin in affected web services does not apply proper origin checking. This could allow authenticated remote attackers to track the activities of other users via a login cross-site request forgery attack.

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-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-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-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.