What is the severity of CVE-2019-4620?

CVE-2019-4620 is considered a medium severity vulnerability due to its potential for local attackers to bypass security restrictions.

How do I fix CVE-2019-4620?

To fix CVE-2019-4620, it is recommended to update IBM MQ Appliance to a patched version as specified in IBM's advisories.

Who is affected by CVE-2019-4620?

CVE-2019-4620 affects IBM MQ Appliance versions 8.0 through 8.0.0.14 and 9.0 through 9.1.0.4 depending on the release.

What type of attack does CVE-2019-4620 enable?

CVE-2019-4620 allows local attackers to bypass security restrictions via improper validation of environment variables.

Is CVE-2019-4620 exploitable remotely?

CVE-2019-4620 is not exploitable remotely as it requires local access to the affected system.

Vulnerability/
CVE-2019-4620

high

8.4

CWE

6/1/2020

23/1/2020

4/8/2024

CVE-2019-4620: Input Validation

First published: Mon Jan 06 2020(Updated: )

IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863.

Credit: psirt@us.ibm.com

Affected Software	Affected Version	How to fix
IBM WebSphere MQ Appliance	<=8.0
IBM WebSphere MQ Appliance	<=9.1 LTS
IBM WebSphere MQ Appliance	<=9.1 CD
IBM WebSphere MQ Appliance	>=8.0.0.0<8.0.0.14
IBM WebSphere MQ Appliance	>=9.1.0<9.1.4
IBM WebSphere MQ Appliance	>=9.1.0.0<9.1.0.4

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

IBM-1125891

Frequently Asked Questions

What is the severity of CVE-2019-4620?
CVE-2019-4620 is considered a medium severity vulnerability due to its potential for local attackers to bypass security restrictions.
How do I fix CVE-2019-4620?
To fix CVE-2019-4620, it is recommended to update IBM MQ Appliance to a patched version as specified in IBM's advisories.
Who is affected by CVE-2019-4620?
CVE-2019-4620 affects IBM MQ Appliance versions 8.0 through 8.0.0.14 and 9.0 through 9.1.0.4 depending on the release.
What type of attack does CVE-2019-4620 enable?
CVE-2019-4620 allows local attackers to bypass security restrictions via improper validation of environment variables.
Is CVE-2019-4620 exploitable remotely?
CVE-2019-4620 is not exploitable remotely as it requires local access to the affected system.

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