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CVE-2019-13946

7.5 · HIGH

Profinet-IO (PNIO) stack versions prior V06.00 do not properly limit internal resource allocation when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface.

Published Feb 11, 2020CWE-400EPSS 1.46%

Overview

CVE-2019-13946 is a high-severity vulnerability. It was published on February 11, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Profinet-IO (PNIO) stack versions prior V06.00 do not properly limit

internal resource allocation when multiple legitimate diagnostic package

requests are sent to the DCE-RPC interface.

This could lead to a denial of service condition due to lack of memory

for devices that include a vulnerable version of the stack.

The security vulnerability could be exploited by an attacker with network

access to an affected device. Successful exploitation requires no system

privileges and no user interaction. An attacker could use the vulnerability

to compromise the availability of the device.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcert-portal.siemens.com/productcert/html/ssa-780073.htmlRefcert-portal.siemens.com/productcert/pdf/ssa-780073.pdfRefcert-portal.siemens.com/productcert/html/ssa-780073.htmlRefcert-portal.siemens.com/productcert/pdf/ssa-780073.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2019-13946?

CVE-2019-13946 is a high-severity vulnerability. It was published on February 11, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2019-13946?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-13946?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-13946?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-13946 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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