Security readout for executives and security teams
This affects Siemens SIMATIC WinCC OA mobile UI apps before V3.15.10. A tricked user could connect to a malicious WinCC OA server, letting that server read or modify cached HMI project data inside the app sandbox. The issue is not listed as KEV, and the advisory said no public exploitation was known at publication. Exposure is limited to organizations using SIMATIC WinCC OA UI for Android or iOS versions earlier than V3.15.10, especially where mobile users connect to multiple WinCC OA servers or retain cached project data on devices. Treat as a targeted operational technology exposure, not an internet-scale emergency. Prioritize remediation for mobile HMI users who access sensitive projects, connect to multiple servers, or use devices outside tightly controlled environments. Mitigation focus: Upgrade affected Android and iOS WinCC OA UI apps to V3.15.10 or later.; Review Siemens SSA-822928 for vendor remediation and mitigation details.; Restrict users to trusted WinCC OA servers where operationally possible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-284: Authorization and privilege behavior lookup
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Open ATT&CK lookupCVE-2018-4844 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://cert-portal.siemens.com/productcert/pdf/ssa-822928.pdfCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.