What’s Vulnerable › Vulnerabilities

CVE-2017-12736

• Severity: medium (CVSS 5.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-12-26 · updated 2026-06-17
• Weakness: CWE-1188

Description

After initial configuration, the Ruggedcom Discovery Protocol (RCDP) is still able to write to the device under certain conditions. This could allow an attacker located in the adjacent network of the targeted device to perform unauthorized administrative actions.

Affected products

• Siemens Ruggedcom Ros: before 5.0.1; before 4.3.4 — fixed in 4.3.4, 5.0.1
• Siemens Scalance Xb-200 Firmware: from 3.0
• Siemens Scalance Xc-200 Firmware: from 3.0
• Siemens Scalance Xm-400 Firmware: from 6.1
• Siemens Scalance Xp-200 Firmware: from 3.0
• Siemens Scalance Xr-500 Firmware: from 6.1
• Siemens Scalance Xr300-Wg Firmware: from 3.0

How to fix

Upgrade to a fixed version: Siemens Ruggedcom Ros 4.3.4, 5.0.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/101041
• http://www.securitytracker.com/id/1039463
• http://www.securitytracker.com/id/1039464
• https://cert-portal.siemens.com/productcert/html/ssa-856721.html
• https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-856721.pdf
• http://www.securityfocus.com/bid/101041
• http://www.securitytracker.com/id/1039463
• http://www.securitytracker.com/id/1039464
• https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-856721.pdf

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