What is CVE-2020-4719 vulnerability?

The CVE-2020-4719 vulnerability is found in the IBM Cloud APM 8.1.4 server, where it issues a DNS request to resolve any hostname specified in the Cloud Event Management Webhook URL configuration definition.

How does the CVE-2020-4719 vulnerability occur?

The CVE-2020-4719 vulnerability occurs when an authenticated user with admin authorization creates DNS query strings that are not hostnames.

What is the severity of CVE-2020-4719 vulnerability?

The severity of the CVE-2020-4719 vulnerability is medium with a CVSS score of 4.9.

Which software versions are affected by CVE-2020-4719 vulnerability?

The IBM Cloud APM versions up to and inclusive of 8.1.4, including Base Private and Advanced Private, are affected by the CVE-2020-4719 vulnerability.

How can I fix the CVE-2020-4719 vulnerability?

To fix the CVE-2020-4719 vulnerability, apply the necessary security patches or updates provided by IBM.

Vulnerability/
CVE-2020-4719

medium

4.9

CWE

706

20/2/2021

2/3/2021

16/9/2024

CVE-2020-4719

First published: Sat Feb 20 2021(Updated: )

The APM server will issue a DNS request to resolve any hostname specified in the Cloud Event Management Webhook URL configuration definition. This could enable an authenticated user with admin authorization to create DNS query strings that are not hostnames.

Credit: psirt@us.ibm.com

Affected Software	Affected Version	How to fix
Ibm Cloud Application Performance Management	=8.1.4
Ibm Cloud Application Performance Management	=8.1.4
	<=8.1.4
	<=8.1.4

Remedy

https://www.ibm.com/support/pages/node/6417137

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

IBM-6417137

Frequently Asked Questions

What is CVE-2020-4719 vulnerability?
The CVE-2020-4719 vulnerability is found in the IBM Cloud APM 8.1.4 server, where it issues a DNS request to resolve any hostname specified in the Cloud Event Management Webhook URL configuration definition.
How does the CVE-2020-4719 vulnerability occur?
The CVE-2020-4719 vulnerability occurs when an authenticated user with admin authorization creates DNS query strings that are not hostnames.
What is the severity of CVE-2020-4719 vulnerability?
The severity of the CVE-2020-4719 vulnerability is medium with a CVSS score of 4.9.
Which software versions are affected by CVE-2020-4719 vulnerability?
The IBM Cloud APM versions up to and inclusive of 8.1.4, including Base Private and Advanced Private, are affected by the CVE-2020-4719 vulnerability.
How can I fix the CVE-2020-4719 vulnerability?
To fix the CVE-2020-4719 vulnerability, apply the necessary security patches or updates provided by IBM.

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canonical/ibm cloud application performance management
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canonical/ibm cloud apm, base private
version/ibm cloud apm, base private/8.1.4
canonical/ibm cloud apm, advanced private
version/ibm cloud apm, advanced private/8.1.4

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