Siemens RuggedCom ROS Ruggedcom Discovery Protocol access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Siemens RuggedCom ROS. This impacts an unknown function of the component Ruggedcom Discovery Protocol Handler. Performing a manipulation results in access control. This vulnerability is identified as CVE-2017-12736. The attack can only be performed from the local network. There is not any exploit available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability was found in Siemens RuggedCom ROS (affected version unknown). It has been classified as critical. This affects an unknown functionality of the component Ruggedcom Discovery Protocol Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in the following Siemens products: RUGGEDCOM ROS for RSL910 devices: All versions < ROS v5.0.1, RUGGEDCOM ROS for all other devices: All versions < ROS v4.3.4, SCALANCE XB-200/XC-200/XP-200/XR300-WG: All versions >= v3.0, SCALANCE XR-500/XM-400: All versions >= v6.1. After initial configuration, the Ruggedcom Discovery Protocol (RCDP) is still able to write to the device under certain conditions, potentially allowing users located in the adjacent network of the targeted device to perform unauthorized administrative actions.

The bug was discovered 09/28/2017. The weakness was released 12/26/2017 with Siemens (Website). The advisory is shared at siemens.com. This vulnerability is uniquely identified as CVE-2017-12736 since 08/09/2017. The attack can only be done within the local network. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/12/2025). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 88 days. During that time the estimated underground price was around $5k-$25k.

It is possible to mitigate the weakness by firewalling .

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 101041†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/09/2017 🔍
09/28/2017 +50 days 🔍
09/28/2017 +0 days 🔍
12/25/2017 +88 days 🔍
12/26/2017 +1 days 🔍
12/26/2017 +0 days 🔍
08/12/2025 +2786 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-856721
Researcher: Siemens
Organization: Siemens
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12736 (🔍)
GCVE (CVE): GCVE-0-2017-12736
GCVE (VulDB): GCVE-100-111021
SecurityFocus: 101041 - Multiple Siemens Products Discovery Protocol CVE-2017-12736 Remote Security Bypass Vulnerability
SecurityTracker: 1039463

Entryinfo

Created: 12/26/2017 09:06
Updated: 08/12/2025 14:34
Changes: 12/26/2017 09:06 (58), 12/17/2019 17:52 (5), 01/28/2021 07:49 (2), 01/28/2021 07:51 (1), 01/19/2023 07:05 (3), 08/12/2025 14:34 (26)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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