CVE-2021-20326
Specially crafted query may result in a denial of service of mongod
MEDIUM
6.5
CVSS Score
Published: April 30, 2021 at 09:10 AM UTC
Updated: June 17, 2026 at 03:33 AM UTC
1 product affected across 1 vendorMongoDB
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.9%
SSVC
No known exploit
Description
A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.4.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCIssue TrackingPatchVendor Advisory
Source: [email protected]
https://jira.mongodb.org/browse/SERVER-53929SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.5MEDIUMmongodb
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20CWE-732
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