CVE-2018-11454 Information

Description

A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V10 V11 V12 (All versions) SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V13 (All versions V13 SP2 Update 2) SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V14 (All versions V14 SP1 Update 6) SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V15 (All versions V15 Update 2). Improper file permissions in the default installation of TIA Portal may allow an attacker with local file system access to manipulate resources which may be transferred to devices and executed there by a different user. No special privileges are required but the victim needs to transfer the manipulated files to a device. Execution is caused on the target device rather than on the PG device.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/105115 https://cert-portal.siemens.com/productcert/pdf/ssa-979106.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.6