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VULNERABILITIES

CVE-2013-6920 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://ics-cert.us-cert.gov/advisories/ICSA-13-338-01 CVEUS Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-742938.pdf CVE
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-742938.pdf CVEVendor Advisory
http://ics-cert.us-cert.gov/advisories/ICSA-13-338-01 [email protected]US Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-742938.pdf [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-287Improper Authentication[email protected]

Affected Products

ProductVersions

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2013-6920
NVD Published Date:
Dec 7, 2013
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2013-6920 Details - Not Deferred