CVE-2013-6920
Critical
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.
SeverityCritical
CVSS10.0
Exploit probability—
ProductSiemens Sinamics S\/g Family Firmware
PublishedDec 7, 2013
First seenDec 7, 2013
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens sinamics_s\/g_family_firmware | v ≤ 4.6 | — |
| siemens sinamics_g110 | No range specified | — |
| siemens sinamics_g110d | No range specified | — |
| siemens sinamics_g120 | No range specified | — |
| siemens sinamics_g120c | No range specified | — |
| siemens sinamics_g120d | No range specified | — |
| siemens sinamics_g120p | No range specified | — |
| siemens sinamics_g130 | No range specified | — |
| siemens sinamics_g150 | No range specified | — |
| siemens sinamics_g180 | No range specified | — |
| siemens sinamics_s110 | No range specified | — |
| siemens sinamics_s120 | No range specified | — |
| siemens sinamics_s120cm | No range specified | — |
| siemens sinamics_s150 | No range specified | — |
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