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cvelistMongodbCVELIST:CVE-2021-20330
HistoryDec 15, 2021 - 12:00 a.m.

CVE-2021-20330 Specific replication command with malformed oplog entries can crash secondaries

2021-12-1500:00:00
CWE-20
mongodb
raw.githubusercontent.com
3

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.0%

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.

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.0%