CVE-2018-13805

Description

A vulnerability has been identified in SIMATIC ET 200SP Open Controller (All versions >= V2.0 and < V2.1.6), SIMATIC S7-1500 Software Controller (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 incl. F (All versions >= V2.0 and < V2.5). An attacker can cause a denial-of-service condition on the network stack by sending a large number of specially crafted packets to the PLC. The PLC will lose its ability to communicate over the network. This vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no privileges and no user interaction. An attacker could use this vulnerability to compromise availability of the network connectivity. At the time of advisory publication no public exploitation of this vulnerability was known.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.50%
Vendor Advisory siemens.com
Affected: Siemens AG SIMATIC ET 200SP Open Controller
Affected: Siemens AG SIMATIC S7-1500 Software Controller
Affected: Siemens AG SIMATIC S7-1500 incl. F
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-347726.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-13805?
CVE-2018-13805 has been scored as a high severity vulnerability.
How to fix CVE-2018-13805?
To fix CVE-2018-13805, 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-2018-13805 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-13805 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-13805?
CVE-2018-13805 affects Siemens AG SIMATIC ET 200SP Open Controller, Siemens AG SIMATIC S7-1500 Software Controller, Siemens AG SIMATIC S7-1500 incl. F.
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