CyberICT

CVE-2021-20330

Mongodb · Published December 15, 2021

CVSS v3.1

MEDIUM
Patch availableGet patch

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.

Affected Products

  • Mongodb < 4.0.25
  • Mongodb < 4.2.14
  • Mongodb < 4.4.6

CVSS Vector

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