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Fencer Vulns
medium 6.5

CVE-2020-7923 json

Specific GeoQuery can cause DoS against MongoDB Server

published 2020-08-21 6 y ago modified 2026-09-08 2 mo ago also BIT-mongodb-2020-7923 , EUVD-2020-28854

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

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.

Patch / fix

  • bitnami mongodb 4.0.19, 4.2.8, 4.4.0
  • MongoDB Inc. MongoDB Server 4.0.19, 4.2.8, 4.4.0-rc7

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-218-01 updated cvss 6.5

ABB Ability Zenon

  • ABB Ability Zenon /all IIoT services with MongoDB 4.2
    affected: mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

red hat product security vex CVE-2020-7923 updated cvss 6.5

mongodb: GeoQuery can lead to DoS

  • Red Hat OpenStack Platform 10 (Newton) mongodb, mongodb-server
    affected: no fix planned “Out of support scope”
  • Red Hat Satellite 6 mongodb, libmongodb, mongodb-server Red Hat Software Collections rh-mongodb34-mongodb, rh-mongodb36-mongodb, rh-mongodb34-mongodb-test, rh-mongodb36-mongodb-test, rh-mongodb34-mongodb-server, rh-mongodb36-mongodb-server, +4 more
    affected: no fix planned “Will not fix”
  • Red Hat Update Infrastructure 3 for Cloud Providers mongodb
    affected: no fix available “Fix deferred”
  • Red Hat Advanced Cluster Management for Kubernetes 2 mongodb
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami mongodb
>=4.0.0, <4.0.19
>=4.2.0, <4.2.8
>=4.4.0, <4.4.0
4.0.19
4.2.8
4.4.0

Affected products

  • MongoDB Inc. MongoDB Server
  • mongodb mongodb

Classification

Weakness
  • CWE-755 Improper Handling of Exceptional Conditions
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.