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CVE-2020-17516

Authentication Bypass in Apache Cassandra

Impact

Apache Cassandra versions 2.1.0 to 2.1.22, 2.2.0 to 2.2.19, 3.0.0 to 3.0.23, and 3.11.0 to 3.11.9, when using 'dc' or 'rack' internode_encryption setting, allows both encrypted and unencrypted internode connections. A misconfigured node or a malicious user can use the unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement.

Affected packages

EcosystemPackageAffectedFixed in
mavenorg.apache.cassandra:cassandra-all>= 2.1.0, < 3.0.243.0.24

Affected products

VendorProductAffected versions
ApacheCassandra
from 2.1.0 through 2.1.22
from 2.2.0 through 2.2.19
from 3.0.0 through 3.0.23
from 3.11.0 through 3.11.9

Weakness classification

CWE-290

References