Broken or risky cryptographic algorithm in Apache NiFi
Priority LOW 38CWE-327Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-327.
Summary
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.
Why it matters now
EPSS 0.02871 86th percentileScored 2026-11-07
Fix Fixed org.apache.nifi:nifi (Maven): 1.12.0-RC1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Apache NiFi | Apache NiFi 1.2.0 to 1.11.4 | — | No fix listed | CNA |
| — | org.apache.nifi:nifi (Maven) | 1.2.0 to before 1.12.0-RC1 | 1.12.0-RC1 | Patch available | GHSA-rfmp-jvr7-hx78 |
- Apache NiFi Vendor— Affected Apache NiFi 1.2.0 to 1.11.4 Fixed in — No fix listed CNA
- org.apache.nifi:nifi (Maven) Vendor— Affected 1.2.0 to before 1.12.0-RC1 Fixed in 1.12.0-RC1 Patch available GHSA-rfmp-jvr7-hx78
Remediation
- Fix · GHSA-rfmp-jvr7-hx78 org.apache.nifi:nifi (Maven) Fixed in 1.12.0-RC1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9491
- 2026-10-03 Alias added: GHSA-rfmp-jvr7-hx78
References
Advisory 2
Other 6
- [nifi-commits] 20201005 svn commit: r1882253 - /nifi/site/trunk/security.html
- [nifi-commits] 20201005 [nifi-site] branch main updated: Minor correction for CVE-2020-9491, Jira number from NIFI-7401 to NIFI-7407.
- https://github.com/apache/nifi/commit/441781cec50f77d9f1e65093f55bbd614b8c5ec6
- https://github.com/apache/nifi
- https://lists.apache.org/thread.html/r2d9c21f9ec35d66f2bb42f8abe876dabd786166b6284e9a33582c718@%3Ccommits.nifi.apache.org%3E
- https://lists.apache.org/thread.html/re48582efe2ac973f8cff55c8b346825cb491c71935e15ab2d61ef3bf@%3Ccommits.nifi.apache.org%3E
More Apache Nifi vulnerabilities
- TI-2023-17293 Apache NiFi: Potential Code Injection with Database Services using H2 CVSS 3.1HIGH 8.8
- TI-2020-16549 Uncontrolled resource consumption in Eclipse Jetty CVSS 3.1MEDIUM 5.3
- TI-2019-07411 Deserialization of untrusted data in Apache Commons Beanutils CVSS 3.1HIGH 7.3
- TI-2017-11471 Improper input validation in Apache NiFi CVSS 3.0CRITICAL 9.8
- TI-2018-01212 XML external entity injection in Apache NiFi CVSS 3.0CRITICAL 9.8
- TI-2021-03489 Deserialization of untrusted data in jackson-databind CVSS 3.1HIGH 8.1
Sources
- CVE-2020-9491 · CVE Program
- CVE-2020-9491 · NVD
- FIRST EPSS
- GHSA-rfmp-jvr7-hx78 · GitHub Advisory Database · CC BY 4.0
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