What is the severity level of CVE-2018-13815?

The severity level of CVE-2018-13815 is high.

Which software versions are affected by CVE-2018-13815?

SIMATIC S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6) are affected by CVE-2018-13815.

How can an attacker exploit CVE-2018-13815?

An attacker can exploit CVE-2018-13815 by exhausting the available connection pool of the affected device by opening a sufficient number of connections.

Are all versions of SIMATIC S7-1500 vulnerable to CVE-2018-13815?

No, only SIMATIC S7-1500 versions below V2.6 are vulnerable to CVE-2018-13815.

Vulnerability/
CVE-2018-13815

high

7.5

CWE

400 410

13/12/2018

5/8/2024

CVE-2018-13815

Q: How can an attacker exploit CVE-2018-13815?

An attacker can exploit CVE-2018-13815 by exhausting the available connection pool of the affected device by opening a sufficient number of connections.

Q: Are all versions of SIMATIC S7-1500 vulnerable to CVE-2018-13815?

No, only SIMATIC S7-1500 versions below V2.6 are vulnerable to CVE-2018-13815.

First published: Thu Dec 13 2018(Updated: )

A vulnerability has been identified in SIMATIC S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6). An attacker could exhaust the available connection pool of an affected device by opening a sufficient number of connections to the device. Successful exploitation requires an attacker to be able to send packets to port 102/tcp of the affected device. No user interaction and no user privileges are required to exploit the vulnerability. The vulnerability, if exploited, could cause a Denial-of-Service condition impacting the availability of the system. At the time of advisory publication no public exploitation of this vulnerability was known.

Credit: productcert@siemens.com

Affected Software	Affected Version	How to fix
Siemens Simatic S7-1200 Firmware
Siemens SIMATIC S7-1200
Siemens Simatic S7-1500 Firmware	<2.6
Siemens Simatic S7-1500

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Frequently Asked Questions

What is the vulnerability ID for this issue?
CVE-2018-13815
What is the severity level of CVE-2018-13815?
The severity level of CVE-2018-13815 is high.
Which software versions are affected by CVE-2018-13815?
SIMATIC S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6) are affected by CVE-2018-13815.
How can an attacker exploit CVE-2018-13815?
An attacker can exploit CVE-2018-13815 by exhausting the available connection pool of the affected device by opening a sufficient number of connections.
Are all versions of SIMATIC S7-1500 vulnerable to CVE-2018-13815?
No, only SIMATIC S7-1500 versions below V2.6 are vulnerable to CVE-2018-13815.

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agent/severity
agent/author
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agent/softwarecombine
agent/event
collector/mitre-cve
source/MITRE
vendor/siemens
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canonical/siemens simatic s7-1200
canonical/siemens simatic s7-1500 firmware
canonical/siemens simatic s7-1500

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