CVE-2018-4844 — A vulnerability has been identified in SIMATIC WinCC OA UI for Android (All vers

A vulnerability has been identified in SIMATIC WinCC OA UI for Android (All versions < V3.15.10), SIMATIC WinCC OA UI for iOS (All versions < V3.15.10). Insufficient limitation of CONTROL script capabilities could allow read and write access from one HMI project cache folde

01What is this vulnerability?

A vulnerability has been identified in SIMATIC WinCC OA UI for Android (All versions < V3.15.10), SIMATIC WinCC OA UI for iOS (All versions < V3.15.10). Insufficient limitation of CONTROL script capabilities could allow read and write access from one HMI project cache folder to other HMI project cache folders within the app's sandbox on the same mobile device. This includes HMI project cache…

02Affected products

Vendor	Product	Versions
Siemens AG	SIMATIC WinCC OA UI for Android, SIMATIC WinCC OA UI for iOS	SIMATIC WinCC OA UI for Android : All versions < V3.15.10, SIMATIC WinCC OA UI for iOS : All versions < V3.15.10

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-03-20T14:00:00.000Z
• Last modified: 2024-09-17T03:12:54.178Z

09References

• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-822928.pdf
• www.securityfocus.com — http://www.securityfocus.com/bid/103475