What is CVE-2019-20925?

CVE-2019-20925 is a vulnerability that allows an unauthenticated client to trigger denial of service in MongoDB Server versions prior to 4.2.1, 4.0.13, and 3.6.15 by issuing specially crafted wire protocol messages.

How does CVE-2019-20925 affect MongoDB?

CVE-2019-20925 affects MongoDB Server versions prior to 4.2.1, 4.0.13, and 3.6.15 by causing the message decompressor to incorrectly allocate memory, leading to denial of service.

What is the severity of CVE-2019-20925?

CVE-2019-20925 has a severity rating of 7.5 (High).

How can I fix CVE-2019-20925?

To fix CVE-2019-20925, upgrade MongoDB Server to version 4.2.1, 4.0.13, or 3.6.15.

Where can I find more information about CVE-2019-20925?

More information about CVE-2019-20925 can be found at the following reference link: https://jira.mongodb.org/browse/SERVER-43751

Vulnerability/
CVE-2019-20925

high

7.5

CWE

697 839

24/11/2020

23/1/2024

CVE-2019-20925: Denial of service via malformed network packet

First published: Tue Nov 24 2020(Updated: )

An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory. This issue affects MongoDB Server v4.2 versions prior to 4.2.1; MongoDB Server v4.0 versions prior to 4.0.13; MongoDB Server v3.6 versions prior to 3.6.15 and MongoDB Server v3.4 versions prior to 3.4.24.

Credit: cna@mongodb.com cna@mongodb.com

Affected Software	Affected Version	How to fix
MongoDB MongoDB	>=3.4.0<3.4.24
MongoDB MongoDB	>=3.6.0<3.6.15
MongoDB MongoDB	>=4.0.0<4.0.13
MongoDB MongoDB	>=4.2.0<4.2.1

Remedy

https://jira.mongodb.org/browse/SERVER-43751

Never miss a vulnerability like this again

Reference Links

https://jira.mongodb.org/browse/SERVER-43751

Frequently Asked Questions

What is CVE-2019-20925?
CVE-2019-20925 is a vulnerability that allows an unauthenticated client to trigger denial of service in MongoDB Server versions prior to 4.2.1, 4.0.13, and 3.6.15 by issuing specially crafted wire protocol messages.
How does CVE-2019-20925 affect MongoDB?
CVE-2019-20925 affects MongoDB Server versions prior to 4.2.1, 4.0.13, and 3.6.15 by causing the message decompressor to incorrectly allocate memory, leading to denial of service.
What is the severity of CVE-2019-20925?
CVE-2019-20925 has a severity rating of 7.5 (High).
How can I fix CVE-2019-20925?
To fix CVE-2019-20925, upgrade MongoDB Server to version 4.2.1, 4.0.13, or 3.6.15.
Where can I find more information about CVE-2019-20925?
More information about CVE-2019-20925 can be found at the following reference link: https://jira.mongodb.org/browse/SERVER-43751

agent/type
agent/weakness
agent/softwarecombine
collector/mitre-cve
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agent/title
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agent/first-publish-date
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agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
collector/nvd-api
source/NVD
agent/software-canonical-lookup
vendor/mongodb
canonical/mongodb mongodb
version/mongodb mongodb/3.4.0
version/mongodb mongodb/3.6.0
version/mongodb mongodb/4.0.0
version/mongodb mongodb/4.2.0

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