ESB-2026.4004 PUBLISHED CVSS 7.099999904632568 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4004 ICS Advisory | ICSA-26-111-11 Siemens Industrial Edge Management 22 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: Siemens Industrial Edge Management Publisher: ICS-CERT Operating System: Network Appliance Resolution: Patch/Upgrade CVE Names: CVE-2026-33892 Original Bulletin: https://www.cisa.gov/news-events/ics-advisories/icsa-26-111-11 Comment: CVSS (Max): 7.1 CVE-2026-33892 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L) CVSS Source: ICS-CERT Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L EPSS (Max): 0.1% (27th) CVE-2026-33892 2026-04-21 - --------------------------BEGIN INCLUDED TEXT-------------------- ICS Advisory (ICSA-26-111-11) Siemens Industrial Edge Management Release Date April 21, 2026 Related topics: Industrial Control System Vulnerabilities , Industrial Control Systems View CSAF Summary Industrial Edge Management contains an authorization bypass vulnerability that could be exploited by an unauthenticated remote attacker to circumvent authentication and to access connected Industrial Edge Devices through the remote connection feature. Siemens has released new versions for the affected products and recommends to update to the latest versions. The following versions of Siemens Industrial Edge Management are affected: o Industrial Edge Management Pro V1 vers:intdot/>=1.7.6|<1.15.17 (CVE-2026-33892) o Industrial Edge Management Pro V2 vers:intdot/>=2.0.0|<2.1.1 (CVE-2026-33892) o Industrial Edge Management Virtual vers:intdot/>=2.2.0|<2.8.0 (CVE-2026-33892) CVSS Vendor Equipment Vulnerabilities v3 Siemens Siemens Industrial Edge Authentication Bypass by Primary 7.1 Management Weakness Background o Critical Infrastructure Sectors: Critical Manufacturing o Countries/Areas Deployed: Worldwide o Company Headquarters Location: Germany --------------------------------------------------------------------------------- Vulnerabilities Expand All + CVE-2026-33892 Affected management systems do not properly enforce user authentication on remote connections to devices. This could facilitate an unauthenticated remote attacker to circumvent authentication and impersonate a legitimate user. Successful exploitation requires that the attacker has identified the header and port used for remote connections to devices and that the remote connection feature is enabled for the device. Exploitation allows the attacker to tunnel to the device. Security features on this device itself (e.g. app specific authentication) are not affected. View CVE Details --------------------------------------------------------------------------------- Affected Products Siemens Industrial Edge Management Vendor: Siemens Product Version: Industrial Edge Management Pro V1, Industrial Edge Management Pro V2, Industrial Edge Management Virtual Product Status: known_affected Remediations Mitigation Ensure network access to affected products is limited to trusted parties only Vendor fix Update to V1.15.17 or later version https://iehub.eu1.edge.siemens.cloud/ Vendor fix Update to V2.1.1 or later version https://iehub.eu1.edge.siemens.cloud/ Vendor fix Update to V2.8.0 or later version https://iehub.eu1.edge.siemens.cloud/ Relevant CWE: CWE-305 Authentication Bypass by Primary Weakness --------------------------------------------------------------------------------- Metrics CVSS Version Base Score Base Vector String Severity 3.1 7.1 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/ A:L --------------------------------------------------------------------------------- Acknowledgments o Siemens ProductCERT reported this vulnerability to CISA. --------------------------------------------------------------------------------- General Recommendations As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/ industrialsecurity --------------------------------------------------------------------------------- Additional Resources For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert /advisories --------------------------------------------------------------------------------- Terms of Use The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use. --------------------------------------------------------------------------------- Legal Notice and Terms of Use This product is provided subject to this Notification (https://www.cisa.gov/ notification) and this Privacy & Use policy (https://www.cisa.gov/ privacy-policy). --------------------------------------------------------------------------------- Recommended Practices CISA recommends users take defensive measures to minimize the exploitation risk of these vulnerabilities. Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the internet. Locate control system networks and remote devices behind firewalls and isolate them from business networks. When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most recent version available. Also recognize VPN is only as secure as its connected devices. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. --------------------------------------------------------------------------------- Advisory Conversion Disclaimer This ICSA is a verbatim republication of Siemens ProductCERT SSA-609469 from a direct conversion of the vendor's Common Security Advisory Framework (CSAF) advisory. This is republished to CISA's website as a means of increasing visibility and is provided "as-is" for informational purposes only. CISA is not responsible for the editorial or technical accuracy of republished advisories and provides no warranties of any kind regarding any information contained within this advisory. Further, CISA does not endorse any commercial product or service. Please contact Siemens ProductCERT directly for any questions regarding this advisory. Revision History o Initial Release Date: 2026-04-14 Date Revision Summary 2026-04-14 1 Publication Date 2026-04-21 2 Initial CISA Republication of Siemens ProductCERT SSA-609469 advisory --------------------------------------------------------------------------------- Legal Notice and Terms of Use This product is provided subject to this Notification and this Privacy & Use policy. Vendor o Siemens - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================

Risk Scores

CVSS v3.1
7.099999904632568
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected Products

VendorProductVersions
ICS-CERTSiemens Industrial Edge Management

Timeline

References

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