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01 Record

CVE-2018-4847

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

UnratedPUBLISHEDCNA: siemens
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.26% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 17.6% of scored records. A rank, not a probability.
NVD base score
4.6 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-04-23 16:00Z8 YR AGO
Last updated
2024-09-17 02:57Z2 YR AGO
Reserved
2018-01-02
Assigning CNA
siemens
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-538Insertion of Sensitive Information into Externally-Accessible File or DirectoryBase
  • CWE-311Missing Encryption of Sensitive DataClass
Data version
5.1
Document digest
c3952c6949f96f8ee1686dc44dd70e8da7248c704ebd026ebba92aebe505b769

05 Affected products

VendorProductVersionsPlatforms
Siemens AGSIMATIC WinCC OA Operator iOS AppAll versions < V1.4—

06 References