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Vulnerability Details : CVE-2019-10943

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 with network access to port 102/tcp could potentially modify the user program on the PLC in a way that the running code is different from the source code which is stored on the device. An attacker must have network access to affected devices and must be able to perform changes to the user program. The vulnerability could impact the perceived integrity of the user program stored on the CPU. An engineer that tries to obtain the code of the user program running on the device, can receive different source code that is not actually running on the device. No public exploitation of the vulnerability was known at the time of advisory publication.
Publish Date : 2019-08-13 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 284

- Products Affected By CVE-2019-10943

# Product Type Vendor Product Version Update Edition Language
1 OS Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc Firmware Version Details Vulnerabilities
2 OS Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc2 Firmware Version Details Vulnerabilities
3 OS Siemens Simatic S7-1200 Cpu 1211c Firmware 4.0 Version Details Vulnerabilities
4 OS Siemens Simatic S7-1200 Cpu 1212c Firmware 4.0 Version Details Vulnerabilities
5 OS Siemens Simatic S7-1200 Cpu 1214c Firmware 4.0 Version Details Vulnerabilities
6 OS Siemens Simatic S7-1200 Cpu 1215c Firmware 4.0 Version Details Vulnerabilities
7 OS Siemens Simatic S7-1200 Cpu 1217c Firmware 4.0 Version Details Vulnerabilities
8 Application Siemens Simatic S7-1500 Version Details Vulnerabilities
9 OS Siemens Simatic S7-1500 Cpu 1511c Firmware Version Details Vulnerabilities
10 OS Siemens Simatic S7-1500 Cpu 1512c Firmware Version Details Vulnerabilities
11 OS Siemens Simatic S7-1500 Cpu 1518 Firmware Version Details Vulnerabilities
12 Application Siemens Simatic S7-plcsim Advanced Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc Firmware 1
Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc2 Firmware 1
Siemens Simatic S7-1200 Cpu 1211c Firmware 1
Siemens Simatic S7-1200 Cpu 1212c Firmware 1
Siemens Simatic S7-1200 Cpu 1214c Firmware 1
Siemens Simatic S7-1200 Cpu 1215c Firmware 1
Siemens Simatic S7-1200 Cpu 1217c Firmware 1
Siemens Simatic S7-1500 1
Siemens Simatic S7-1500 Cpu 1511c Firmware 1
Siemens Simatic S7-1500 Cpu 1512c Firmware 1
Siemens Simatic S7-1500 Cpu 1518 Firmware 1
Siemens Simatic S7-plcsim Advanced 1

- References For CVE-2019-10943

https://cert-portal.siemens.com/productcert/pdf/ssa-232418.pdf
CONFIRM N/A

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2019-10943

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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