CVE-2021-20333

5.3 mediumEPSS 1.3%

Medium (5.3) in mongodb mongodb. EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
CWEs: CWE-116, CWE-117
Published: 2021-07-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mongodb:mongodb

References

https://jira.mongodb.org/browse/SERVER-50605
https://jira.mongodb.org/browse/SERVER-50605

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