Learn about CVE-2021-32037, a vulnerability in MongoDB Server allowing an authorized user to trigger an invariant, leading to denial of service or server shutdown. Find out affected versions and mitigation steps.
An authorized user may trigger an invariant that could lead to denial of service or server exit when sending relevant aggregation requests directly to a shard in MongoDB Server.
Understanding CVE-2021-32037
This CVE highlights a vulnerability in MongoDB Server that could be exploited by an authorized user to trigger an invariant, potentially causing a denial of service or server shutdown.
What is CVE-2021-32037?
CVE-2021-32037 pertains to an issue where an authorized user can exploit a vulnerability in MongoDB Server by sending specific aggregation requests directly to a shard, subsequently triggering an invariant and leading to a denial of service or server shutdown.
The Impact of CVE-2021-32037
The impact of CVE-2021-32037 includes allowing an authorized user to disrupt the service or cause server instability by triggering an invariant through aggregation requests sent directly to a shard within MongoDB Server.
Technical Details of CVE-2021-32037
CVE-2021-32037 carries a CVSSv3.1 base score of 6.5, categorizing it as a medium severity vulnerability due to the possibility of a denial of service or server shutdown.
Vulnerability Description
The vulnerability allows an authorized user to trigger an invariant by sending aggregation requests directly to a shard in MongoDB Server, potentially leading to denial of service or server instability.
Affected Systems and Versions
MongoDB Server versions up to and including 5.0.2 are affected by this vulnerability.
Exploitation Mechanism
An authorized user with the necessary privileges can send aggregation requests directly to a shard in MongoDB Server, triggering an invariant that may lead to a denial of service or server shutdown.
Mitigation and Prevention
To address CVE-2021-32037, immediate steps should be taken along with the implementation of long-term security practices.
Immediate Steps to Take
Promptly update MongoDB Server to a patched version beyond 5.0.2 to mitigate the risk of an authorized user exploiting this vulnerability.
Long-Term Security Practices
Regularly review and update access privileges to prevent unauthorized users from accessing sensitive functionalities that could trigger vulnerabilities like CVE-2021-32037.
Patching and Updates
Stay informed about security updates and patches released by MongoDB Inc. to protect systems from known vulnerabilities like CVE-2021-32037.