Siemens SIMATIC S7 PLCs Web Server
MentionsSiemens
View CSAF Summary SIMATIC S7-1500 devices contain multiple vulnerabilities in the web server that could allow an attacker to execute malicious code in an authorized user’s browser session and perform PLC operations within the scope of that user’s authorization. Siemens is preparing fixes and recommends specific mitigations for products where fixes are not or not yet available.
Summary from CISA Advisories.
Explained
The technology and terms in this story. Learn more
- TechnologyOT / ICS · Operational technology / industrial control systemsThe computers that run physical processes: factories, power grids, water plants, building systems.
- ConceptCVE · Common Vulnerabilities and ExposuresThe public ID system for vulnerabilities, such as CVE-2026-12345, so everyone means the same bug.
Why it was possible
The weaknesses behind this story's CVEs, from each CVE Record.
Vulnerabilities in this story
Severity and exploitation facts from NVD, FIRST, and CISA.