VYPR
Unrated severityNVD Advisory· Published Dec 7, 2013· Updated Jun 17, 2026

CVE-2013-6920

CVE-2013-6920

Description

Siemens SINAMICS S/G controllers with firmware before 4.6.11 do not require authentication for FTP and TELNET sessions, which allows remote attackers to bypass intended access restrictions via TCP traffic to port (1) 21 or (2) 23.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

15

Patches

Vulnerability mechanics

References

3

News mentions

0

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