Vulnerability Details : CVE-2018-13799
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.
Products affected by CVE-2018-13799
- cpe:2.3:o:siemens:simatic_wincc_open_architecture:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-13799
0.76%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-13799
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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
-
https://cert-portal.siemens.com/productcert/pdf/ssa-346256.pdf
Vendor Advisory
-
http://www.securityfocus.com/bid/105332
Siemens SIMATIC WinCC OA CVE-2018-13799 Access Bypass VulnerabilityThird Party Advisory;VDB Entry
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