CVE-2020-7923

Specific GeoQuery can cause DoS against MongoDB Server

MEDIUM

6.5

CVSS Score

Published: August 21, 2020 at 02:25 PM UTC

Updated: June 17, 2026 at 03:25 AM UTC

1 product affected across 1 vendorMongoDB

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Severity

MEDIUM6.5

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

A user authorized to perform database queries may cause denial of service by issuing specially crafted queries, which violate an invariant in the query subsystem's support for geoNear. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc7; MongoDB Server v4.2 versions prior to 4.2.8 and MongoDB Server v4.0 versions prior to 4.0.19.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MongoDB · MongoDB

95%

4.0 ≤ v < 4.0.194.2 ≤ v < 4.2.84.4 ≤ v < 4.4.04.4 ≤ v < 4.4.0-rc74.0 4.2 4.4

Affected range stops below 4.0.19, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.2.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.4.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.4.0-rc7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://jira.mongodb.org/browse/SERVER-47773

References (1)

x_refsource_MISCIssue TrackingPatchVendor Advisory

Source: [email protected]

https://jira.mongodb.org/browse/SERVER-47773

SSVC — 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-755

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