CVE-2021-20333

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Sending specially crafted commands to a MongoDB Server may result in artificial log entries being generated or for log entries to be split. This issue affects MongoDB Server v3.6 versions prior to 3.6.20; MongoDB Server v4.0 versions prior to 4.0.21 and MongoDB Server v4.2 versions prior to 4.2.10.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-117 CWE-116

Affected software

Vendor	Product	Versions
MongoDB Inc.	MongoDB Server	>= 3.6, < 3.6.20; >= 4.0, < 4.0.21; >= 4.2, < 4.2.10

References

https://jira.mongodb.org/browse/SERVER-50605Exploit, Patch, Vendor Advisory
https://jira.mongodb.org/browse/SERVER-50605Exploit, Patch, Vendor Advisory

Timeline

Published: Jul 23, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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