CVE Catalog

CVE-2017-1000230

High
Published: Translated: NVD NIST

Summary

Snap7 Server version 1.4.1 can be crashed when the ItemCount field of the ReadVar or WriteVar functions of the S7 protocol implementation in Snap7 are provided with unexpected input, resulting in a denial of service attack.

Risk Assessment

The organization may experience service outages related to the Snap7 server, which can impact operations and system availability.

Recommendation

It is recommended to update the Snap7 server to the latest version to minimize the risk associated with this vulnerability.

Related vulnerabilities

Original NVD description (English source)

The Snap7 Server version 1.4.1 can be crashed when the ItemCount field of the ReadVar or WriteVar functions of the S7 protocol implementation in Snap7 are provided with unexpected input, thus resulting in denial of service attack.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS