Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC Service Port 102 access control

Summaryinfo

A vulnerability identified as critical has been detected in Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC, SIMATIC ET 200SP Open Controller CPU 1515SP PC2, SIMATIC S7-1200 CPU, SIMATIC S7-1500 CPU, SIMATIC S7-1500 Software Controller and SIMATIC S7-PLCSIM Advanced. The affected element is an unknown function of the component Service Port 102. This manipulation causes access control. This vulnerability is handled as CVE-2019-10929. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC, SIMATIC ET 200SP Open Controller CPU 1515SP PC2, SIMATIC S7-1200 CPU, SIMATIC S7-1500 CPU, SIMATIC S7-1500 Software Controller and SIMATIC S7-PLCSIM Advanced (SCADA Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Service Port 102. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in SIMATIC ET 200SP Open Controller CPU 1515SP PC (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (All versions), SIMATIC S7-1200 CPU family (All versions >= V4.0), SIMATIC S7-1500 CPU family (All versions), SIMATIC S7-1500 Software Controller (All versions), SIMATIC S7-PLCSIM Advanced (All versions). An attacker in a Man-in-the-Middle position could potentially modify network traffic exchanged on port 102/tcp, due to certain properties in the calculation used for integrity protection. In order to exploit the vulnerability, an attacker must be able to perform a Man-in-the-Middle attack. The vulnerability could impact the integrity of the communication. No public exploitation of the vulnerability was known at the time of advisory publication.

The weakness was released 08/13/2019. This vulnerability is known as CVE-2019-10929 since 04/08/2019. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/25/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-139983. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• SCADA Software

Vendor

• Siemens

Name

• SIMATIC ET 200SP Open Controller CPU 1515SP PC
• SIMATIC ET 200SP Open Controller CPU 1515SP PC2
• SIMATIC S7-1200 CPU
• SIMATIC S7-1500 CPU
• SIMATIC S7-1500 Software Controller
• SIMATIC S7-PLCSIM Advanced

License

• commercial

Website

• Vendor: https://www.siemens.com/

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Entryinfo

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

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