BIT-nifi-2020-9491

vendorUSosv
view advisory published 2025-09-12Licence: per source

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.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2020-9491UShigh7.5OT elevated—
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, HandleHttpRequ…
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references

External citations — patches, advisories, analysis.

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