CVE-2020-7921: Administrative action may disable enforcement of per-user IP whitelisting
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.
Other sources
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 Inc. MongoDB Server 4.2 versions prior to 4.2.3; 4.0 versions prior to 4.0.15; 4.3 versions prior to 4.3.3; 3.6 versions prior to 3.6.18.
Affected Software
Remediation
Patch Available
Event History
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.