CVE-2013-6920
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.
- EPSS
- 3.2% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
- CWE
- CWE-287
- Published
- Modified
- Record from
- the NVD, synced
Affected
- siemens:sinamics_g110
- siemens:sinamics_g110d
- siemens:sinamics_g120
- siemens:sinamics_g120c
- siemens:sinamics_g120d
- siemens:sinamics_g120p
- siemens:sinamics_g130
- siemens:sinamics_g150
- siemens:sinamics_g180
- siemens:sinamics_s110
- siemens:sinamics_s120
- siemens:sinamics_s120cm
- siemens:sinamics_s150
- siemens:sinamics_s\/g_family_firmware
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
- 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