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Case File

CVE-2020-9491

HIGH · CVSS 7.5 EPSS 2.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-10-01 · Last synced 2026-08-04

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CVE
CVE-2020-9491
Severity
HIGH
CVSS
7.5
EPSS
2.87%
Apache

Original NVD Description

In Apache NiFi 1.2.0 to 1.11.4, the NiFi UI and API were protected by mandating TLS v1.2, as well as listening connections established by processors like ListenHTTP, HandleHttpRequest, etc. However intracluster communication such as cluster request replication, Site-to-Site, and load balanced queues continued to support TLS v1.0 or v1.1.