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Published: 1 July 2024

A command for refining a collection shard key is missing an authorization check. This may cause the command to run directly on a shard, leading to either degradation of query performance, or to revealing chunk boundaries through timing side channels. This affects MongoDB Server v5.0 versions, prior to 5.0.22, MongoDB Server v6.0 versions, prior to 6.0.11 and MongoDB Server v7.0 versions prior to 7.0.3.



Cvss 3 Severity Score


Score breakdown


Package Release Status
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Does not exist

mantic Does not exist

noble Does not exist

trusty Needs triage

upstream Needs triage

xenial Needs triage

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L