CVE-2018-11453

HIGH

Siemens Simatic Step 7 (tia Portal) - Incorrect Permission Assignment

Title source: rule
STIX 2.1

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 insert specially crafted files which may prevent TIA Portal startup (Denial-of-Service) or lead to local code execution. No special privileges are required, but the victim needs to attempt to start TIA Portal after the manipulation.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105115

Scores

CVSS v3 7.8
EPSS 0.0005
EPSS Percentile 15.2%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-276 CWE-732
Status published
Products (12)
siemens/simatic_step_7_\(tia_portal\) 10.0
siemens/simatic_step_7_\(tia_portal\) 11.0
siemens/simatic_step_7_\(tia_portal\) 12.0
siemens/simatic_step_7_\(tia_portal\) 13.0 (2 CPE variants)
siemens/simatic_step_7_\(tia_portal\) 14.0
siemens/simatic_step_7_\(tia_portal\) 15.0
siemens/simatic_wincc_\(tia_portal\) 10.0
siemens/simatic_wincc_\(tia_portal\) 11.0
siemens/simatic_wincc_\(tia_portal\) 12.0
siemens/simatic_wincc_\(tia_portal\) 13.0
... and 2 more
Published Aug 07, 2018
Tracked Since Feb 18, 2026