AUGUST 4, 2026
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Case File

CVE-2020-17516

HIGH · CVSS 7.5 EPSS 1.93%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-03 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects Apache.

CVE
CVE-2020-17516
Severity
HIGH
CVSS
7.5
EPSS
1.93%
Apache

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)