ICS Patch Tuesday: Vulnerabilities Fixed by Siemens, Schneider, Phoenix Contact

Summary

Several industrial automation vendors, including Siemens, Schneider Electric, and Phoenix Contact, have released advisories detailing vulnerabilities fixed in their products. Siemens addressed issues like command execution, information disclosure, and privilege escalation across various product lines, including a critical OpenSSL vulnerability. Schneider Electric patched DoS, command execution, and credential exposure flaws, while Phoenix Contact fixed a log download vulnerability in their charging controllers. CISA and VDE CERT also highlighted some of these and other vendor advisories.

Full text

ICS Patch Tuesday advisories were published this month by Siemens, Schneider Electric, and Phoenix Contact. Siemens published only four new advisories. In Sinec INS, the industrial giant fixed authenticated command execution, information disclosure, privilege escalation, and password exposure flaws. The company also addressed a DoS and potential code execution issue in Siprotec 5, and a sensitive information exposure weakness in WinCC Certificate Manager. Siemens also patched CVE-2025-15467, an OpenSSL vulnerability allowing remote code execution, in Scalance, Simatic, Sinamics, Sinec, and other products. Schneider Electric published three new advisories. They cover DoS and command execution vulnerabilities in PowerLogic P7, credential exposure issues in EasyLogic T150 and Saitel DP Remote Terminal Unit & Controller, and an information disclosure issue in EcoStruxure IT Data Center Expert. Phoenix Contact published one new advisory to inform customers about an unauthenticated log download vulnerability in the firmware of CHARX SEC-3xxx charging controllers. CISA and Germany’s VDE CERT have also published some vendor advisories. CISA informed organizations about previously disclosed Schneider and Siemens flaws, while VDE CERT released advisories for LabX Standard and MBS security holes.Advertisement. Scroll to continue reading. Rockwell Automation did not issue any new security advisories on Tuesday, but it announced enhancements to its SecureOT solution suite, including the OT Cybersecurity Assessment Suite, SecureOT Platform Managed Services, and Managed Secure Remote Access (MSRA). ABB and Mitsubishi Electric have each published a couple of new advisories over the past month. Related: Real-World ICS Security Tales From the Trenches Related: Critical Vulnerability Exposes Industrial Robot Fleets to Hacking Related: ICS Patch Tuesday: New Security Advisories From Siemens, Schneider, CISA Written By Eduard Kovacs Eduard Kovacs (@EduardKovacs) is senior managing editor at SecurityWeek. He worked as a high school IT teacher before starting a career in journalism in 2011. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering. Daily Briefing Newsletter Subscribe to the SecurityWeek Email Briefing for the latest cybersecurity threats, trends, and expert insights. More from Eduard Kovacs Google Patches 5th Chrome Zero-Day Exploited in 2026WhatsApp Catches Spyware Firm NSO Defying No-Hacking Court OrderCybersecurity M&A Roundup: 26 Deals Announced in May 2026OpenAI Rolling Out ChatGPT Account Security ControlsMeta Says 20,000 Instagram Accounts Hacked via AI Tool AbuseNightclub Giant RCI Says Data Breach Affects 40,000 IndividualsCisco Warns of 7th SD-WAN Zero-Day Exploited in 2026Gemini Voice Assistant Hijacked via Messaging Notifications Latest News No Patch Planned for Exploited Arista EOS VulnerabilityMicrosoft Patches 200 VulnerabilitiesAdobe Patches 123 VulnerabilitiesAnthropic Launches Claude Fable 5: Mythos-Class AI With Cybersecurity Guardrails OpenSSL Patches High-Severity Vulnerability Found With AIClaude Mythos Turns N-Days Into N-Hours With Rapid Exploit CreationNew Platform Uses Cryptographic Invisibility to Protect AI-Built ApplicationsSAP Patches Critical NetWeaver, Commerce Vulnerabilities Trending Daily Briefing NewsletterSubscribe to the SecurityWeek Email Briefing to stay informed on the latest threats, trends, and technology, along with insightful columns from industry experts. Webinar: Third-Party Risk in Practice June 4, 2026 Organizations are investing heavily in third-party risk management, but breaches, delays, and blind spots continue to persist. Join this live webinar as we examine the gap between how organizations think their third-party risk programs are performing and what’s actually happening in practice. Register Virtual Roundtable: CISO Forum 2026 Mid-Year Review June 10, 2026 Explore how attackers are using AI to scale threats and how security teams can respond with AI-driven defenses. Protecting against unmonitored use of generative AI (Shadow AI) in business units and building and enforcing AI governance frameworks. Register People on the MoveOpal Security has appointed CPO, CTO, VP of Field Engineering, VP of Marketing, and Head of Product and Solutions Marketing.The Department of the Air Force has appointed Ashley Devoto as Chief Information Officer.Bartley Richardson has been named Chief AI and Autonomous Systems Officer at CrowdStrike.More People On The MoveExpert Insights Everybody Is Vibe Coding But Nobody Told the Security Team AI-driven development is not something organizations can or should block. But it must be governed. (Danelle Au) The Zero-Knowledge Threat Actor and the End of Responsible Disclosure AI can help attackers generate malware, create malicious payloads, bypass simple security checks, and convert vague malicious intent into functional code. (Etay Maor) Raising the Cybersecurity Stakes: Ante up for the Agentic Era CISOs are now facing machine-speed attacks and asking, “How do I agent?” The industry must provide remediation at scale. (Nadir Izrael) Caught Off Guard: Securing AI After It Hits Production As enterprises rush AI projects into production, security teams are increasingly being forced into reactive mode. (Joshua Goldfarb) Cyber Resilience is the New Business Continuity Plan The organizations best prepared to face disruption are those that align security, continuity and risk management around what the business cannot afford to lose. (Steve Durbin) Flipboard Reddit Whatsapp Whatsapp Email

Indicators of Compromise

• cve — CVE-2025-15467

Entities