<span>AVEVA Pipeline Simulation</span> <span><span>apeterson</span></span> <span><time datetime="2026-04-16T12:24:40-04:00" title="Thursday, April 16, 2026">Apr 16, 2026</time> </span> <div class="c-field c-field--name-field-release-date c-field--type-datetime c-field--label-above"> <div class="c-field__label">Release Date</div><div class="c-field__content"><time datetime="2026-04-16T12:00:00Z">April 16, 2026</time></div></div> <div class="c-field c-field--name-field-description c-field--type-text-long c-field--label-above"> <div class="c-field__label">Description</div><div class="c-field__content"><p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-04.json"><strong>View CSAF</strong></a></p><h2>Summary</h2><p><strong>Successful exploitation of this vulnerability could allow an unauthenticated attacker to modify simulation parameters, training configuration and training records.</strong></p><p>The following versions of AVEVA Pipeline Simulation are affected:</p><ul><li>Pipeline Simulation &lt;=2025_SP1_build_7.1.9497.6351</li></ul><div class="csaf-table"><table class="tablesaw tablesaw-stack" data-tablesaw-mode="stack" data-tablesaw-minimap><thead><tr><th role="columnheader" data-tablesaw-priority="persist">CVSS</th><th role="columnheader">Vendor</th><th role="columnheader">Equipment</th><th role="columnheader">Vulnerabilities</th></tr></thead><tbody><tr><td>v3 9.1</td><td>AVEVA</td><td>AVEVA Pipeline Simulation</td><td>Missing Authorization</td></tr></tbody></table></div><h3>Background</h3><ul><li><strong>Critical Infrastructure Sectors: </strong>Critical Manufacturing</li><li><strong>Countries/Areas Deployed: </strong>Worldwide</li><li><strong>Company Headquarters Location: </strong>United Kingdom</li></ul><hr><h2>Vulnerabilities</h2><div class="csaf-accordion"><p><a class="csaf-accordion-toggle-all" href="#">Expand All +</a></p><div class="csaf-accordion-item"><h3><a class="csaf-accordion-toggle" href="#">CVE-2026-5387</a></h3><div class="csaf-accordion-content"><p>The vulnerability, if exploited, could allow an unauthenticated miscreant to perform operations intended only for Simulator Instructor or Simulator Developer (Administrator) roles, resulting in privilege escalation with potential for modification of simulation parameters, training configuration, and training records.</p><p><a href="https://www.cve.org/CVERecord?id=CVE-2026-5387">View CVE Details</a></p><hr><h4>Affected Products</h4><h5>AVEVA Pipeline Simulation</h5><div class="ics-vendor-version-status"><div class="ics-vendor"><strong>Vendor:</strong><br>AVEVA</div><div class="ics-version"><strong>Product Version:</strong><br>AVEVA Pipeline Simulation: &lt;=2025_SP1_build_7.1.9497.6351</div><div class="ics-status"><strong>Product Status:</strong><br>known_affected</div></div><div class="ics-remediations"><h6>Remediations</h6><p><strong>Vendor fix</strong><br>All affected versions can be fixed by upgrading to AVEVA Pipeline Simulation 2025 SP1 P01 (build 7.1.9580.8513) or higher. (https://softwaresupportsp.aveva.com/en-US/downloads/products/details/57b79fdb-7b5f-4125-8a44-833b6b5c6d6f)<br><a href="https://softwaresupportsp.aveva.com/en-US/downloads/products/details/57b79fdb-7b5f-4125-8a44-833b6b5c6d6f">https://softwaresupportsp.aveva.com/en-US/downloads/products/details/57b79fdb-7b5f-4125-8a44-833b6b5c6d6f</a></p><p><strong>Mitigation</strong><br>For more information, please see AVEVA's security bulletin AVEVA-2026-004 (https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-004.pdf).<br><a href="https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-004.pdf">https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-004.pdf</a></p><p><strong>Vendor fix</strong><br>Restrict Network Access: Implement host-based and/or network firewall controls on all nodes hosting the Pipeline Simulation Server API to ensure that only trusted Pipeline Simulation client systems are permitted to establish connections.</p><p><strong>Mitigation</strong><br>Enforce Secure Communication: Enable TLS for all API communications and ensure that server certificates are properly managed and protected to reduce the risk of manipulator-in-the-middle(MitM) attacks and tampering with data in transit.</p></div><p><strong>Relevant CWE:</strong><a href="https://cwe.mitre.org/data/definitions/862.html">CWE-862 Missing Authorization</a></p><hr><h4>Metrics</h4><div class="csaf-table csaf-metrics-table"><table class="tablesaw tablesaw-stack" data-tablesaw-mode="stack" data-tablesaw-minimap><thead><tr><th role="columnheader" data-tablesaw-priority="persist">CVSS Version</th><th role="columnheader">Base Score</th><th role="columnheader">Base Severity</th><th role="columnheader">Vector String</th></tr></thead><tbody><tr><td>3.1</td><td>9.1</td><td>CRITICAL</td><td><a href="https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N</a></td></tr></tbody></table></div></div></div></div><hr><h2>Acknowledgments</h2><ul><li>AVEVA reported this vulnerability to CISA</li></ul><hr><h2>Legal Notice and Terms of Use</h2><p>This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy &amp; Use policy (https://www.cisa.gov/privacy-policy).</p><hr><h2>Recommended Practices</h2><p>CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability.</p><p>Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.</p><p>Locate control system networks and remote devices behind firewalls and isolating them from business networks.</p><p>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 current version available. Also recognize VPN is only as secure as the connected devices.</p><p>CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.</p><p>CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. 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.</p><p>CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.</p><p>Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.</p><p>Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.</p><p>No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time.</p><hr><h2>Revision History</h2><ul><li><strong>Initial Release Date: </strong>2026-04-16</li></ul><table class="tablesaw tablesaw-stack" data-tablesaw-mode="stack" data-tablesaw-minimap><thead><tr><th role="columnheader" data-tablesaw-priority="persist">Date</th><th role="columnheader">Revision</th><th role="columnheader">Summary</th></tr></thead><tbody><tr><td>2026-04-16</td><td>1</td><td>Initial Republication of AVEVA-2026-004</td></tr></tbody></table><hr><h2>Legal Notice and Terms of Use</h2></div></div> <div class="c-field c-field--name-field-advisory-type c-field--type-entity-reference c-field--label-above"> <div class="c-field__label">Advisory Type</div><div class="c-field__content">ICS Advisory</div></div> <div class="c-field c-field--name-field-topics c-field--type-entity-reference c-field--label-inline"> <div class="c-field__label is-inline">Topics</div><div class="c-field__content"><a href="https://www.cisa.gov/topics/industrial-control-systems/industrial-control-system-vulnerabilities">Industrial Control System Vulnerabilities</a>, <a href="https://www.cisa.gov/topics/industrial-control-systems">Industrial Control Systems</a></div></div> <div class="c-field c-field--name-field-alert-code c-field--type-string c-field--label-above"> <div class="c-field__label">Alert Code</div><div class="c-field__content">ICSA-26-106-04</div></div> <div class="c-field c-field--name-field-sector c-field--type-entity-reference c-field--label-inline"> <div class="c-field__label is-inline">Sector</div><div class="c-field__content"><a href="https://www.cisa.gov/topics/critical-infrastructure-security-and-resilience/critical-infrastructure-sectors/critical-manufacturing-sector" hreflang="en">Critical Manufacturing Sector</a></div></div> <div class="c-field c-field--name-field-vendor c-field--type-entity-reference c-field--label-above"> <div class="c-field__label">Vendor</div><div class="c-field__content">AVEVA</div></div> <div class="c-field c-field--name-field-key-takeaways-toggle c-field--type-boolean c-field--label-above"> <div class="c-field__label">Show 'Key Takeaways' block</div><div class="c-field__content">Off</div></div> <div class="c-field c-field--name-field-imported c-field--type-boolean c-field--label-hidden"> <div class="c-field__content">On</div></div>