CVE-2020-9491 affects Apache NiFi versions 1.2.0 through 1.11.4, where intracluster communications (e.g., cluster request replication, Site-to-Site, load balanced queues) continued to support outdated TLS v1.0 or v1.1 protocols, despite the UI and API mandating TLS v1.2. This vulnerability is rated High severity (CVSS 7.5), indicating a network-based attack with low complexity that could lead to high confidentiality impact without requiring user interaction or privileges. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0.0, <= 1.11.4CPE matchmatch criteria | cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.