CVE-2020-7921: Administrative action may disable enforcement of per-user IP whitelisting
First published: Wed May 06 2020(Updated: )
Improper serialization of internal state in the authorization subsystem in MongoDB Server's authorization subsystem permits a user with valid credentials to bypass IP whitelisting protection mechanisms following administrative action. This issue affects MongoDB Server v4.2 versions prior to 4.2.3; MongoDB Server v4.0 versions prior to 4.0.15; MongoDB Server v4.3 versions prior to 4.3.3and MongoDB Server v3.6 versions prior to 3.6.18.
Credit: cna@mongodb.com cna@mongodb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MongoDB MongoDB | >=3.6.0<3.6.18 | |
| MongoDB MongoDB | >=4.0.0<4.0.15 | |
| MongoDB MongoDB | >=4.2.0<4.2.3 | |
| MongoDB MongoDB | >=4.3.0<4.3.3 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-7921?
CVE-2020-7921 refers to an improper serialization vulnerability in the authorization subsystem of MongoDB Server.
How does CVE-2020-7921 affect MongoDB Server?
CVE-2020-7921 allows a user with valid credentials to bypass IP whitelisting protection mechanisms in MongoDB Server.
Which versions of MongoDB Server are affected by CVE-2020-7921?
Versions 3.6.0 to 3.6.18, 4.0.0 to 4.0.15, 4.2.0 to 4.2.3, and 4.3.0 to 4.3.3 of MongoDB Server are affected by CVE-2020-7921.
What is the severity of CVE-2020-7921?
CVE-2020-7921 has a severity rating of 5.3, which is considered medium.
How can I mitigate CVE-2020-7921?
It is recommended to update MongoDB Server to a version that is not affected by CVE-2020-7921 or apply any patches or updates provided by MongoDB Inc.
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