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TI-2020-10916 Aliases CVE-2020-13940GHSA-q4xf-3pmq-3hw8

XML external entity injection in Apache NiFi

Priority LOW 29CWE-611Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
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-611 and the CVSS impact.

Summary

In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE).

Why it matters now

EPSS 0.01911 79th 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

VendorProductAffected versionsFixed inStatusSource
—Apache NiFiApache NiFi 1.0.0 to 1.11.4—No fix listedCNA
—org.apache.nifi:nifi (Maven)1.0.0 to before 1.12.0-RC11.12.0-RC1Patch availableGHSA-q4xf-3pmq-3hw8
  • Apache NiFi Vendor— Affected Apache NiFi 1.0.0 to 1.11.4 Fixed in — No fix listed CNA
  • org.apache.nifi:nifi (Maven) Vendor— Affected 1.0.0 to before 1.12.0-RC1 Fixed in 1.12.0-RC1 Patch available GHSA-q4xf-3pmq-3hw8

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*1.0.0 – 1.11.4VulnerableApache
  • cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:* Versions 1.0.0 – 1.11.4 Vulnerable ·Apache

Remediation

  • Fix · GHSA-q4xf-3pmq-3hw8 org.apache.nifi:nifi (Maven) Fixed in 1.12.0-RC1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-13940
  2. 2026-10-03 Alias added: GHSA-q4xf-3pmq-3hw8

References

Advisory 2

Other 1

  • 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
See all 58 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences