CVE-2018-13799

Description

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.64%
Vendor Advisory siemens.com
Affected: Siemens AG SIMATIC WinCC OA V3.14 and prior
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/105332 vdb entry third party advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-346256.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-13799?
CVE-2018-13799 has been scored as a critical severity vulnerability.
How to fix CVE-2018-13799?
To fix CVE-2018-13799, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-13799 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-13799 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-13799?
CVE-2018-13799 affects Siemens AG SIMATIC WinCC OA V3.14 and prior.
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