NetSight
medium6.5

CVE-2021-20330

An attacker with basic CRUD permissions on a replicated collection can run the applyOps command with specially malformed oplog entries, resulting in a potentia…

Impact

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

VendorProductAffected versions
MongodbMongodb
from 4.0.0 before 4.0.25
from 4.2.0 before 4.2.14
from 4.4.0 before 4.4.6

Weakness classification

References