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IACS RadarIndustrial Cyber Exposure & Intelligence

CISA + Hersteller

ICS-Advisories

Advisories speziell für industrielle Steuerungssysteme — von CISA ICS-CERT und direkt von Herstellern (darunter Siemens, ABB, Schneider Electric, WAGO und Phoenix Contact) — einschließlich Revisionshistorie (Erstveröffentlichung, Update A, Update B) und verknüpfter CVEs.

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Advisory-Daten: Live-Anbindung— zuletzt abgerufen: 9. November 2026 um 05:46.

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493 Advisories gefunden

SEVD-2026-223-02

Multiple Vulnerabilities on NetBotz 5 750/755 Products

Schneider Electric — NetBotz 5 750

Schneider Electric CPCERTmiddel

Veröffentlicht

11. August 2026

Letzte Aktualisierung

11. August 2026

Betroffene Sektoren

Risk Evaluation

Schneider Electric is aware of multiple vulnerabilities in its NetBotz 5 – 750/755 products.The NetBotz 5 – 750/755 products are security and environmental monitors providing temperature, humidity, leak, smoke, vibration, door contact, and video monitoring capabilities.Failure to apply the remediation provided below may risk arbitrary or remote code execution over the local network, which could result in device manipulation and unauthorized data access.

Zusammenfassung der Gegenmaßnahmen

Version 5.6.0 of NetBotz 5 750/755 includes a fix for these vulnerabilities and is available for download here: https://www.se.com/us/en/product-range/61830-netbotz/#software-and-firmware Reboot needed: Upon install, the offer will automatically restart. A customer can validate a successful install by logging into the GUI and selecting the ‘About NetBotz’ option. This will indicate the installed version.

Revisionshistorie (1)
  1. Erstveröffentlichung — 11. August 2026

    Original Release

Offizielle Quelle: Schneider Electric CPCERT

SEVD-2026-223-01

Improper Restriction of Excessive Authentication Attempts vulnerability on PowerChute Serial Shutdown

Schneider Electric — Microsoft Windows

Schneider Electric CPCERTmiddel

Veröffentlicht

11. August 2026

Letzte Aktualisierung

11. August 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

Schneider Electric is aware of vulnerabilities in its PowerChute™ Serial Shutdown product. The PowerChute Serial Shutdown product is a UPS management software enabling graceful system shutdown and energy management capabilities for desktops, servers and workstations. Failure to apply the remediation provided below may risk improper authentication validation which could result in disruption of operations and access to system data.

Zusammenfassung der Gegenmaßnahmen

Version v1.6 of PowerChute™ Serial Shutdown includes a fix for these vulnerabilities and is available for download here: • Windows: https://www.se.com/ww/en/download/document/SPD-PCSS_WIN_EN/ Reboot needed: Upon installation, the service is automatically restarted. A customer can validate a successful install by checking the version information in the Control Panel or on the About page within PCSS after logging in. Specific instructions and hardening guidelines for these remediations can be found in the [Security Handbook](https://download.se.com/files?p_Doc_Ref=SPD_CCON-PCSSSH_EN).

Revisionshistorie (1)
  1. Erstveröffentlichung — 11. August 2026

    Original Release

Offizielle Quelle: Schneider Electric CPCERT

ICSA-26-204-01

Johnson Controls C-CURE 9000 and Victor application server (Update A)

Johnson Controls Inc. — C-CURE 9000

CISAkritisch

Veröffentlicht

23. Juli 2026

Letzte Aktualisierung

11. August 2026

Betroffene Sektoren

Risk Evaluation

Successful exploitation of these vulnerabilities could allow an attacker with network access to achieve remote code execution.

Zusammenfassung der Gegenmaßnahmen

Johnson Controls recommends the following upgrades to address the vulnerable deserialization path: Upgrade to C-CURE 9000 v3.20 or later

Revisionshistorie (2)
  1. Erstveröffentlichung — 23. Juli 2026

    Initial Republication of Johnson Controls Product Security Advisories JCI-PSA-2026-07, JCI-PSA-2026-13, and JCI-PSA-2026-16.

  2. Update A — 11. August 2026

    Update A - Made changes to affected products and mitigations.

Offizielle Quelle: CISA

VDE-2025-007

WAGO: Year 2038 problem

WAGO — CC100

WAGO PSIRTmiddel

Veröffentlicht

15. April 2025

Letzte Aktualisierung

7. August 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

The Year 2038 Problem affects systems using a 32-bit integer to represent time as the number of seconds since January 1, 1970. On January 19, 2038, at 03:14:07 UTC, the time value will exceed the maximum for a 32-bit integer, causing an overflow and resetting it to a negative number.

Zusammenfassung der Gegenmaßnahmen

Update to Firmware 4.10.0 (FW32) or higher. For the latest Custom Firmware, please contact the WAGO support.

Revisionshistorie (2)
  1. Erstveröffentlichung — 15. April 2025

    Initial release.

  2. Update A — 7. August 2026

    Removed G1 devices and changed the fixed firmware to FW32.

Offizielle Quelle: WAGO PSIRT

ICSA-26-218-02

Johnson Controls Inc. TL280

Johnson Controls Inc. — TL280

CISAmiddel

Veröffentlicht

6. August 2026

Letzte Aktualisierung

6. August 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

Successful exploitation of this vulnerability could allow an attacker to access sensitive information on the device.

Zusammenfassung der Gegenmaßnahmen

To help reduce the risk of exploitation, Johnson Control suggests considering the following defensive measures: Apply firmware update 5.63.

Revisionshistorie (1)
  1. Erstveröffentlichung — 6. August 2026

    Initial Republication of Johnson Controls Security Advisory JCI-PSA-2026-08

Offizielle Quelle: CISA

ICSA-26-218-01

ABB Ability Zenon

ABB — Ability Zenon

CISAhoch

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

6. August 2026

Betroffene Sektoren

Risk Evaluation

ABB is aware of publicly reported vulnerabilities affecting MongoDB 4.2, which is bundled within the IIoT Services of the affected product versions. MongoDB 4.2 has reached end-of-life and contains multiple known security vulnerabilities. An attacker who successfully exploits these vulnerabilities could potentially access sensitive information, cause denial of service, or disrupt system availability.

Zusammenfassung der Gegenmaßnahmen

ABB recommends the following mitigation measures: - Replace bundled MongoDB with a supported version if IIoT services are required: - Where IIoT functionality is required, the bundled MongoDB instance can be replaced with a supported and patched version through manual configuration. - The following zenon online help section explains the process of installing and using your own MongoDB database: zenHelpViewer - Uninstall IIoT Services wherever it’s not required: - If IIoT Services are not required, they can be removed using the Control panel uninstaller. This eliminates the dependency on MongoDB without affecting other zenon components. Refer to section “General security recommendations” for further advise on how to keep your system secure.

Revisionshistorie (2)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial version

  2. Update A — 6. August 2026

    Initial CISA Republication of ABB PSIRT 9AKK108472A9037 advisory

Offizielle Quelle: CISA

PPSA-2026-003

Pilz: Multiple Vulnerabilities affecting industrial PC IndustrialPI

Pilz — IndustrialPI 4

Pilz PSIRThoch

Veröffentlicht

4. August 2026

Letzte Aktualisierung

4. August 2026

Betroffene Sektoren

Risk Evaluation

The Linux kernel used in the IndustrialPI, 'linux-image-revpi-v8', prior to version 6.12.91-revpi0-rpi-v8 contains multiple vulnerabilities. Successful exploitation of these vulnerabilities can give an attacker full control over the device.

Zusammenfassung der Gegenmaßnahmen

Update kernel package linux-image-revpi-v8 to version 6.12.91-revpi0-rpi-v8 or higher.

Revisionshistorie (1)
  1. Erstveröffentlichung — 4. August 2026

    Initial Version

Offizielle Quelle: Pilz PSIRT

VDE-2026-065

Endress+Hauser: iDTM Debug Interface Vulnerability in the FDI Package Library

Endress+Hauser — FDI Package library

Endress+Hauser PSIRTmiddel

Veröffentlicht

3. August 2026

Letzte Aktualisierung

3. August 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

A vulnerability in the iDTM FDI allows an attacker with elevated privileges and access to the host system to enable the debug interface by placing a crafted file in the application directory.

Zusammenfassung der Gegenmaßnahmen

If an immediate update is not possible, Endress+Hauser recommends the following measures to reduce the risk of exploitation: * Restrict access to affected systems to authorized personnel only * Apply the principle of least privilege and limit administrative access to trusted users. * Protect application installation directories against unauthorized modification through appropriate operating system access controls. Following these recommendations reduces the risk of unauthorized activation.

Revisionshistorie (1)
  1. Erstveröffentlichung — 3. August 2026

    Initial revision

Offizielle Quelle: Endress+Hauser PSIRT

ICSA-26-211-09

Watchfire Controller Software

Watchfire — BC550

CISAmiddel

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

31. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

Successful exploitation of this vulnerability could allow a malicious user the ability to deliver malicious firmware that can update and gain full control of the controller.

Zusammenfassung der Gegenmaßnahmen

Watchfire has applied the required security patch to all affected controllers under its management. Watchfire recommends users verify their controller software version and upgrade to one of the approved versions below, if they are not already on an approved patch level.

Revisionshistorie (2)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial Publication

  2. Update A — 31. Juli 2026

    Updated Product and Remediation details

Offizielle Quelle: CISA

VDE-2026-008

Phoenix Contact: Multiple vulnerabilities in the firmware of CHARX SEC3xxx charging controllers

Phoenix Contact — CHARX SEC

Phoenix Contact PSIRTkritisch

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Betroffene Sektoren

Risk Evaluation

Multiple vulnerabilities have been identified in the firmware of CHARX SEC-3xxx EV charging controllers, including the CHARX SEC-3000, SEC-3050, SEC-3100, and SEC-3150 models. The flaws could allow attackers to compromise the devices remotely, resulting in a complete loss of confidentiality, integrity, and availability.

Zusammenfassung der Gegenmaßnahmen

Phoenix Contact strongly recommends to upgrade to firmware version 1.9.1 which fixes these vulnerabilities.

Revisionshistorie (1)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial revision.

Offizielle Quelle: Phoenix Contact PSIRT

ICSA-26-211-11

MZ Automation lib60870

MZ Automation GmbH — lib60870

CISAmiddel

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Betroffene Sektoren

Risk Evaluation

Successful exploitation of these vulnerabilities could crash the device being accessed.

Zusammenfassung der Gegenmaßnahmen

MZ Automation recommends users update to version 2.4.1 when available.

Revisionshistorie (1)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial Publication

Offizielle Quelle: CISA

ICSA-26-211-10

MZ Automation GmbH libiec61850

MZ Automation GmbH — libiec61850

CISAhoch

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Betroffene Sektoren

Risk Evaluation

Successful exploitation of these vulnerabilities could allow an attacker to cause a denial-of-service condition on the device.

Zusammenfassung der Gegenmaßnahmen

MZ Automation GmbH recommends that users update to version 1.6.2.

Revisionshistorie (1)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial Publication

Offizielle Quelle: CISA

ICSA-26-211-08

o6 Automation open62541

o6 Automation GmbH — open62541 on Windows and Linux

CISAhoch

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Betroffene Sektoren

Risk Evaluation

Successful exploitation of these vulnerabilities could allow an attacker to disclose sensitive information, cause a denial of service, or potentially execute arbitrary code.

Zusammenfassung der Gegenmaßnahmen

o6 Automation has prepared mitigations and fixes to address these issues and recommends that users update to the newest version. The new version can be obtained by contacting o6 Automation https://www.o6-automation.com/contact or by downloading from the following locations:

Revisionshistorie (1)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial Publication

Offizielle Quelle: CISA

ICSA-26-211-05

Rockwell Automation CompactLogix 5380 ControlLogix 5580 / 1756-EN4TR Communications Module

Rockwell Automation — ControlLogix 5580

CISAmiddel

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service condition.

Zusammenfassung der Gegenmaßnahmen

Rockwell Automation recommend users update to the following versions: ControlLogix 5580: Update to V38.011

Revisionshistorie (1)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial Publication

Offizielle Quelle: CISA

ICSA-26-211-04

Schneider Electric IGSS

Schneider Electric — IGSS

CISAhoch

Veröffentlicht

14. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

Schneider Electric is aware of a vulnerability in its IGSS Definition module for the IGSS (Interactive Graphical SCADA System) product. The [IGSS](https://igss.schneider-electric.com/) product is a state-of-the-art SCADA system used for monitoring and controlling industrial processes. The IGSS Definition module is a design-time component used by system integrators to create mimic diagrams for plant personnel, enabling them to monitor and control the SCADA system. Failure to apply the remediation provided below may risk loss of data or arbitrary code execution, which could result in the loss of control of the system.

Zusammenfassung der Gegenmaßnahmen

Version 18.0.0.26125 of the IGSS Definition module includes a fix for this vulnerability and is available for download through IGSS Master > Update IGSS Software or here: https://igss.schneider-electric.com/igss/igssupdates/v180/IGSSUPDATE.ZIP

Revisionshistorie (2)
  1. Erstveröffentlichung — 14. Juli 2026

    Original Release

  2. Update A — 30. Juli 2026

    Initial CISA Republication of Schneider Electric SEVD-2026-195-01 advisory

Offizielle Quelle: CISA

ICSA-26-211-03

Toptech Systems RCU II+ and Multiload II+

Toptech Systems — RCU II+

CISAhoch

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

Successful exploitation of this vulnerability could allow an attacker to gain full system control and misuse it to access or manipulate connected networks and resources.

Zusammenfassung der Gegenmaßnahmen

Toptech Systems provides two methods for remediating affected RCU II+ and Multiload II+ units: First, move the device to a closed or segmented network without untrusted access.

Revisionshistorie (1)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial Publication

Offizielle Quelle: CISA

ICSA-26-211-02

Johnson Controls OpenBlue Employee

Johnson Controls Inc. — OpenBlue Employee (FMS Employee)

CISAniedrig

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Betroffene Sektoren

Risk Evaluation

Successful exploitation of these vulnerabilities could allow an attacker to upload malicious files, execute stored cross-site scripting attacks, or inject arbitrary HTML content.

Zusammenfassung der Gegenmaßnahmen

Johnson Controls recommends the following defensive measures to help reduce the risk of exploitation: Apply the latest product update for OpenBlue Employee (FMS Employee). Customers running V2025.3.1 [LV1.1] or earlier should apply the latest available update.

Revisionshistorie (1)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial Republication of Johnson Controls Inc. Security Advisory JCI-PSA-2026-09

Offizielle Quelle: CISA

9AKK108472A9037

ABB AbilityTM zenon Security Risk Due to End-of-Life MongoDB Component

ABB — Ability Zenon

ABB PSIRThoch

Veröffentlicht

30. Juli 2026

Letzte Aktualisierung

30. Juli 2026

Betroffene Sektoren

Risk Evaluation

ABB is aware of publicly reported vulnerabilities affecting MongoDB 4.2, which is bundled within the IIoT Services of the affected product versions. MongoDB 4.2 has reached end-of-life and contains multiple known security vulnerabilities. An attacker who successfully exploits these vulnerabilities could potentially access sensitive information, cause denial of service, or disrupt system availability.

Zusammenfassung der Gegenmaßnahmen

ABB recommends the following mitigation measures: - Replace bundled MongoDB with a supported version if IIoT services are required: - Where IIoT functionality is required, the bundled MongoDB instance can be replaced with a supported and patched version through manual configuration. - The following zenon online help section explains the process of installing and using your own MongoDB database: zenHelpViewer - Uninstall IIoT Services wherever it’s not required: - If IIoT Services are not required, they can be removed using the Control panel uninstaller. This eliminates the dependency on MongoDB without affecting other zenon components. Refer to section “General security recommendations” for further advise on how to keep your system secure.

Revisionshistorie (1)
  1. Erstveröffentlichung — 30. Juli 2026

    Initial version

Offizielle Quelle: ABB PSIRT

Advisory2026-06_VDE-2026-041

CODESYS PROFINET Controller - Out-of-bounds Write

CODESYS — CODESYS PROFINET

CODESYS PSIRTmiddel

Veröffentlicht

29. Juli 2026

Letzte Aktualisierung

29. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

CODESYS PROFINET is an add‑on for the CODESYS Development System that provides a fully integrated PROFINET protocol stack along with diagnostic capabilities. When a PROFINET Controller is configured, this vulnerable protocol stack is downloaded to and executed by CODESYS Control runtime systems. The vulnerability in the CODESYS PROFINET Controller is caused by an out‑of‑bounds write during the processing of received invalid PROFINET communication data. Triggering this condition causes the CODESYS Control runtime system to handle the resulting exception and stop the affected PLC application in a controlled manner. Remote code execution is not considered feasible, as the execution flow remains controlled. This issue affects only CODESYS projects that include a PROFINET Controller configuration.

Zusammenfassung der Gegenmaßnahmen

Update the following product to version 4.8.0.0. * CODESYS PROFINET To make the fix effective for existing CODESYS projects, you must additionally update the PROFINET Controller in the device tree to the latest version and perform a download of the CODESYS application to the PLC. The CODESYS Development System and the products available as CODESYS add-ons can be downloaded and installed directly with the CODESYS Installer or be downloaded from the CODESYS Store. Alternatively, as well as for all other products, you will find further information on obtaining the software update in the CODESYS Update area https://www.codesys.com/download/.

Revisionshistorie (1)
  1. Erstveröffentlichung — 29. Juli 2026

    Initial revision.

Offizielle Quelle: CODESYS PSIRT

VDE-2026-081

Weidmueller: Security routers IE-SR-4TX and IE-SR-4GT are affected by multiple vulnerabilities

Weidmüller — IE-SR

Weidmüller PSIRThoch

Veröffentlicht

28. Juli 2026

Letzte Aktualisierung

28. Juli 2026

Betroffene Sektoren

Risk Evaluation

Weidmueller security routers IE-SR-4TX and IE-SR-4GT are affected by multiple vulnerabilities (CVE-2026-14167, CVE-2026-14168, CVE-2026-14169, CVE-2026-14171, CVE-2026-2291, CVE-2026-4893, CVE-2026-5172, CVE-2026-40510, CVE-2025-68160, CVE-2025-69418, CVE-2025-69419, CVE-2025-69420, CVE-2025-69421, CVE-2026-22795, CVE-2026-22796) in firmware releases prior to V2.3.0 authorization, robustness and redirect flaws in the proprietary configuration interface and web UI, and multiple vulnerabilities in the bundled third-party components dnsmasq, OpenSC and OpenSSL. All are fixed in firmware V2.3.0.

Zusammenfassung der Gegenmaßnahmen

Restrict access to the configuration interface / web UI to trusted administrators and trusted networks, and do not grant the user/permission-management write permission to non-administrator roles.

Revisionshistorie (1)
  1. Erstveröffentlichung — 28. Juli 2026

    Initial version

Offizielle Quelle: Weidmüller PSIRT

VDE-2026-085

Weidmueller: SQL Injection Vulnerability in PROCON-WEB SCADA

Weidmüller — PROCON-WEB SCADA

Weidmüller PSIRTkritisch

Veröffentlicht

28. Juli 2026

Letzte Aktualisierung

28. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

A remote unauthenticated attacker can exploit a SQL injection vulnerability in PROCON-WEB SCADA to execute arbitrary commands.

Zusammenfassung der Gegenmaßnahmen

Update PROCON-WEB SCADA to version 6.11.3.

Revisionshistorie (1)
  1. Erstveröffentlichung — 28. Juli 2026

    Initial version

Offizielle Quelle: Weidmüller PSIRT

ICSA-26-209-07

ABB KNX Update Tool

ABB — KNX Update Tool (ABB)

CISAmiddel

Veröffentlicht

17. Juli 2026

Letzte Aktualisierung

28. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

ABB has been contacted by a researcher who identified a vulnerability in one of its products. ABB has been contacted by a researcher who identified a vulnerability in one of its products. The vulnerability report has been shared in responsible disclosure. An attacker who successfully exploited this vulnerability could cause the product to become unusable. ABB confirms the vulnerability but at the same time acknowledges that the issue affects exclusively classic KNX devices that are not supporting the latest KNX Secure standard. Due to a lack of security in legacy KNX devices, the issue cannot be resolved via a software change. In order to actively exploit this vulnerability, an attacker requires physical access to the bus, the affected device is connected to. ABB has no plans of corrective measures.

Zusammenfassung der Gegenmaßnahmen

Due to the nature of the classic KNX protocol stack and security concept, there are no options to resolve the vulnerability with a software update on a technical level. ABB recommends to follow general security recommendations listed in the security guideline (see References and General security recommendations). In addition, it shall be avoided to control sensitive functionality by legacy KNX devices such as, but not limited to, access control to e.g. hotel rooms or other protected areas. Note: Legacy KNX standards were never designed to meet state of the art security standards like introduced with KNX Data Secure published in 2017.

Revisionshistorie (2)
  1. Erstveröffentlichung — 17. Juli 2026

    Initial version

  2. Update A — 28. Juli 2026

    Initial CISA Republication of ABB PSIRT 9AKK108472A9270 advisory

Offizielle Quelle: CISA

ICSA-26-209-04

Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP

Siemens — SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)

CISAkritisch

Risk Evaluation

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

Zusammenfassung der Gegenmaßnahmen

Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.

Revisionshistorie (2)
  1. Erstveröffentlichung — 14. Juli 2026

    Publication Date

  2. Update A — 28. Juli 2026

    Initial CISA Republication of Siemens ProductCERT SSA-019113 advisory

Offizielle Quelle: CISA

ICSA-26-209-03

Siemens SIMATIC S7-PLCSIM Advanced

Siemens — SIMATIC S7-PLCSIM Advanced

CISAhoch

Veröffentlicht

14. Juli 2026

Letzte Aktualisierung

28. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

SIMATIC S7-PLCSIM Advanced contains a vulnerability that could allow an attacker to cause a denial of service condition. Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

Zusammenfassung der Gegenmaßnahmen

Disable the S7-PLCSIM Virtual Switch binding on the network adapter used by the affected instance. This prevents the adapter from entering an external communication mode and removes the attack vector entirely. (see SIMATIC S7-PLCSIM Advanced Function Manual V8.0, 11/2025 Section 5.3 and Section 6.1.2.3; and SIMATIC S7-PLCSIM Advanced Function Manual API V8.0, 11/2025 Section 7.2)

Revisionshistorie (2)
  1. Erstveröffentlichung — 14. Juli 2026

    Publication Date

  2. Update A — 28. Juli 2026

    Initial CISA Republication of Siemens ProductCERT SSA-828211 advisory

Offizielle Quelle: CISA

ICSA-26-209-01

Siemens Desigo CC

Siemens — Desigo CC family V7

CISAkritisch

Veröffentlicht

14. Juli 2026

Letzte Aktualisierung

28. Juli 2026

Verknüpfte CVEs

Betroffene Sektoren

Risk Evaluation

OpenSSL has published a stack based buffer overflow vulnerability that allows a remote attacker to cause a denial of service (DoS) or potentially allow for remote code execution. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends countermeasures for products where fixes are not, or not yet available.

Zusammenfassung der Gegenmaßnahmen

Currently no fix is available

Revisionshistorie (2)
  1. Erstveröffentlichung — 14. Juli 2026

    Publication Date

  2. Update A — 28. Juli 2026

    Initial CISA Republication of Siemens ProductCERT SSA-734552 advisory

Offizielle Quelle: CISA