VYPR
Unrated severityNVD Advisory· Published Dec 7, 2013· Updated Apr 29, 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.

Affected products

14

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

0

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