CVE-2020-17516

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CVSS 3.1

7.5 high

EPSS

2%p79

Published

Feb 3, 2021 (Feb 3, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: apache
Products: cassandra
Weakness: CWE-290
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.9%)

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