CVE-2021-32036 - CVE House
Back to Database
Status published Medium CVE-2021-32036

Denial of Service and Data Integrity vulnerability in features command

Vulnerability Description

An authenticated user without any specific authorizations may be able to repeatedly invoke the features command where at a high volume may lead to resource depletion or generate high lock contention. This may result in denial of service and in rare cases could result in id field collisions. This issue affects MongoDB Server v5.0 versions prior to and including 5.0.3; MongoDB Server v4.4 versions prior to and including 4.4.9; MongoDB Server v4.2 versions prior to and including 4.2.16 and MongoDB Server v4.0 versions prior to and including 4.0.28

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-32036

Credits & Attribution

No credits recorded in the NVD database.

References

More from MongoDB Inc.

View All →
CVE-2025-14847
Zlib compressed protocol header length confusion may allow memory read
High 8.7
CVE-2025-14345
Cross-Shard Failovers May Lead to Partial Transaction Commit in MongoDB Server
Low 2.3
CVE-2025-13644
MongoDB may be susceptible to Invariant Failure due to batched delete
High 7.1
CVE-2025-13643
MongoDB Server may allow queries to be terminated by unauthorized users
Low 2.3
CVE-2025-13507
Time-series operations may cause internal BSON size limit to be exceed
High 7.1

Affected Vendor

MongoDB Inc.

View all reports →

Affected Software

MongoDB Server
Vulnerable Versions:
5.0, 4.4, 4.2, 4.0

Timeline

Official Publish: February 4th, 2022
Last Modified: November 19th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Weaknesses (CWE)

CWE-770

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery