Siemens SIMATIC S7 Webserver API
MentionsSiemens
View CSAF Summary .NET Client Library for SIMATIC S7 Webserver API contains multiple vulnerabilities that could allow an attacker to obtain sensitive information or write arbitrary files outside the intended download directory. Siemens has released a new version for .NET Client Library for SIMATIC S7 Webserver API and recommends to update to the latest version.
Summary from CISA Advisories.
Explained
The technology and terms in this story. Learn more
- ConceptCVSS · Common Vulnerability Scoring SystemA 0–10 score for how severe a vulnerability is in theory.
- WeaknessPath traversalUsing ../ tricks in a file name to read or write files outside the intended folder.
- 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.