Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://ics-cert.us-cert.gov/advisories/ICSA-13-338-01
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-742938.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-742938.pdf
ADP enrichment
No English description supplied.