CVE-2019-10918 Information

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions) SIMATIC PCS 7 V8.1 (All versions V8.1 with WinCC V7.3 Upd 19) SIMATIC PCS 7 V8.2 (All versions V8.2 SP1 with WinCC V7.4 SP1 Upd11) SIMATIC PCS 7 V9.0 (All versions V9.0 SP2 with WinCC V7.4 SP1 Upd11) SIMATIC WinCC (TIA Portal) V13 (All versions) SIMATIC WinCC (TIA Portal) V14 (All versions V14 SP1 Upd 9) SIMATIC WinCC (TIA Portal) V15 (All versions V15.1 Upd 3) SIMATIC WinCC Runtime Professional V13 (All versions) SIMATIC WinCC Runtime Professional V14 (All versions V14.1 Upd 8) SIMATIC WinCC Runtime Professional V15 (All versions V15.1 Upd 3) SIMATIC WinCC V7.2 and earlier (All versions) SIMATIC WinCC V7.3 (All versions V7.3 Upd 19) SIMATIC WinCC V7.4 (All versions V7.4 SP1 Upd 11) SIMATIC WinCC V7.5 (All versions V7.5 Upd 3). 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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-697412.pdf https://www.us-cert.gov/ics/advisories/ICSA-19-134-08

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8