CVE-2018-4847

4.6 MEDIUM 0.3% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited with physical access without logging in. High risk of data exposure.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-04-23 16:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:59 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 4.6 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-04-23 16:29 UTC
Last modified: 2026-06-17 01:59 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-538
Record status: Modified

Affected

Siemens Simatic Wincc Oa Operator

Attack profile CVSS 3.0 · 4.6

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

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

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record