Vulnerability CVE-2019-6575


Published: 2019-04-17

Description:
A vulnerability has been identified in SIMATIC CP443-1 OPC UA (All versions), SIMATIC ET 200 Open Controller CPU 1515SP PC2 (All versions), SIMATIC HMI Comfort Outdoor Panels 7" & 15" (All versions), SIMATIC HMI Comfort Panels 4" - 22" (All versions), SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 und KTP900F (All versions), SIMATIC IPC DiagMonitor (All versions), SIMATIC NET PC Software (All versions >= V7.1), SIMATIC RF188C (All versions), SIMATIC RF600R (All versions), SIMATIC S7-1500 CPU family (All versions >= V2.5 < V2.6.1), SIMATIC S7-1500 Software Controller (All versions >= V2.5), SIMATIC WinCC OA (All versions < V3.15-P018), SIMATIC WinCC Runtime Advanced (All versions), SINEC-NMS (All versions), SINEMA Server (All versions), SINUMERIK OPC UA Server (All versions < V2.1), TeleControl Server Basic (All versions). Specially crafted network packets sent to affected devices on port 4840/tcp could allow an unauthenticated remote attacker to cause a Denial-of-Service condition of the OPC communication or crash the device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the OPC communication. At the time of advisory publication no public exploitation of this security vulnerability was known.

Type:

CWE-20

(Improper Input Validation)

Vendor: Siemens
Product: Simatic s7-1500 software controller 
Version: 2.5;
Product: Simatic s7-1500t firmware 
Version: 2.5;
Product: Simatic s7-1500 firmware 
Version: 2.5;
Product: Simatic s7-1500s firmware 
Version: 2.5;
Product: Simatic s7-1500f firmware 
Version: 2.5;
Product: Sinec-nms 
Product: Simatic rf188c firmware 
Product: Telecontrol server basic 
Product: Simatic wincc runtime comfort 
Product: Simatic et 200 open controller cpu 1515sp pc2 firmware 
Product: Simatic wincc runtime mobile 
Product: Simatic net pc software firmware 
Product: Sinema server 
Product: Simatic wincc runtime advanced 
Product: Simatic rf600r firmware 
Product: Simatic cp443-1 opc ua firmware 
Product: Simatic wincc runtime hsp comfort 
Product: Simatic ipc diagmonitor firmware 

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete

 References:
https://cert-portal.siemens.com/productcert/pdf/ssa-307392.pdf

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