CVE-2020-7926: Specific query can cause a DoS against MongoDB Server

Published Nov 23, 2020
·
Updated

A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects MongoDB Server v4.4 versions prior to 4.4.1. Versions before 4.4 are not affected.

Other sources

A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects: MongoDB Server version 4.4 prior to 4.4.1. Versions before 4.4 are not affected.

Affected Software

1 affected component
MongoDB MongoDB>=4.4.0<4.4.1

Event History

Nov 23, 2020
CVE Published
via MITRE·03:05 PM
Data Sourced
via MITRE·03:05 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is CVE-2020-7926?

CVE-2020-7926 is a vulnerability in MongoDB Server version 4.4 prior to 4.4.1 that allows a user authorized to perform database queries to cause denial of service by issuing a specially crafted query.

2

How does CVE-2020-7926 affect MongoDB Server?

CVE-2020-7926 affects MongoDB Server version 4.4 prior to 4.4.1.

3

What is the severity rating of CVE-2020-7926?

The severity rating of CVE-2020-7926 is medium with a CVSS score of 6.5.

4

How can this vulnerability be exploited?

This vulnerability can be exploited by a user authorized to perform database queries who issues a specially crafted query that violates an invariant in the server selection subsystem.

5

Is MongoDB Server version 4.4.1 affected by CVE-2020-7926?

No, MongoDB Server version 4.4.1 is not affected by CVE-2020-7926. Versions before 4.4 are also not affected.

Contact

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