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Case File

CVE-2021-20330

MEDIUM · CVSS 6.5 EPSS 1.04%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-15 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects MongoDB. It may lead to a denial-of-service condition.

CVE
CVE-2021-20330
Severity
MEDIUM
CVSS
6.5
EPSS
1.04%
MongoDB

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)