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CVE-2021-20330

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CVE-2021-20330

Published: Dec 15, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

An attacker with basic CRUD permissions on a replicated collection can run the applyOps command with specially malformed oplog entries, resulting in a potential denial of service on secondaries. This issue affects MongoDB Server v4.0 versions prior to 4.0.27; MongoDB Server v4.2 versions prior to 4.2.16; MongoDB Server v4.4 versions prior to 4.4.9.

VendorProductVersions

MongoDB Inc.

MongoDB Server

affected
4.0 - < 4.0.27
affected
4.2 - < 4.2.16
affected
4.4 - < 4.4.9

Weaknesses (CWE)

CWE-20

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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