Vulnerability CVE-2019-10918


Published: 2019-05-14

Description:
A vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC WinCC (TIA Portal) V13 (All versions), SIMATIC WinCC (TIA Portal) V14 (All versions), SIMATIC WinCC (TIA Portal) V15 (All versions), SIMATIC WinCC Runtime Professional (All versions), SIMATIC WinCC V7.2 and earlier (All versions), SIMATIC WinCC V7.3 (All versions), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 Upd3). An authenticatd attacker with network access to the DCOM interface could execute arbitrary commands with SYSTEM privileges. The vulnerability could be exploited by an attacker with network access to the affected system. Successful exploitation requires authentication with a low-privileged user account and no user interaction. An attacker could use the vulnerability to compromise confidentiality and integrity and availability of the affected system. 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 pcs 7 
Version:
9.0
8.2
8.1
8.0
Product: Simatic wincc 
Version:
7.5
7.4
7.3
7.2
Product: Simatic wincc (tia portal) 
Version:
15.0
14.0
13.0
Product: Simatic wincc runtime professional 

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
9/10
10/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 References:
http://www.securityfocus.com/bid/108404
https://cert-portal.siemens.com/productcert/pdf/ssa-697412.pdf

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