CVE-2018-4847: Siemens SIMATIC Wincc Oa Operator

Medium severity, CVSS 4.6. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIMATIC WinCC OA Operator iOS App (All versions < V1.4). Insufficient protection of sensitive information (e.g. session key for accessing server) in Siemens WinCC OA Operator iOS app could allow an attacker with physical access to the mobile device to read unencrypted data from the app's directory. Siemens provides mitigations to resolve the security issue.

Affected products

• Siemens SIMATIC Wincc Oa Operator: affected versions not specified

Published 2018-04-23. Last modified 2026-06-17.