CVE-2013-6920

2013-12-0700:00:00

mitre

www.cve.org

7.2 High

AI Score

Confidence

Low

0.007 Low

EPSS

Percentile

80.2%

JSON

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.

References

ics-cert.us-cert.gov/advisories/ICSA-13-338-01

www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-742938.pdf

cert-portal.siemens.com/productcert/pdf/ssa-742938.pdf