CVE-2020-7926

2020-11-2300:00:00

ubuntu.com

mongodb

denial of service

database queries

cve-2020-7926

server selection subsystem

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

29.8%

JSON

A user authorized to perform database queries may cause denial of service
by issuing a specially crafted query which violates an invariant in the
server selection subsystem. This issue affects MongoDB Server v4.4 versions
prior to 4.4.1. Versions before 4.4 are not affected.