A vulnerability has been identified in SIMATIC WinCC OA V3.14 and prior (All versions < V3.14-P021). Improper access control to a data point of the affected product could allow an unauthenticated remote user to escalate its privileges in the context of SIMATIC WinCC OA V3.14. This vulnerability could be exploited by an attacker with network access to port 5678/TCP of the SIMATIC WinCC OA V3.14 server. Successful exploitation requires no user privileges and no user interaction. This vulnerability could allow an attacker to compromise integrity and availability of the SIMATIC WinCC OA system. At the time of advisory publication no public exploitation of this vulnerability was known.
Published 2018-09-12 13:29:01
Updated 2019-10-09 23:34:32
Source Siemens AG
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-13799

Probability of exploitation activity in the next 30 days: 0.28%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 65 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-13799

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.4
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:P
10.0
4.9
NIST
9.1
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.9
5.2
NIST

CWE ids for CVE-2018-13799

  • The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
    Assigned by: productcert@siemens.com (Secondary)

References for CVE-2018-13799

Products affected by CVE-2018-13799

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