CVE-2020-1933: Cross-site scripting in Apache NiFi

org.apache.nifi:nifi Updated 02 Oct 2025

Summary

06/01/2022

Disclosed on

CVE-2020-1933

CVE

Yes i

Fix available

Moderate

Severity

6.1

CVSS Score

CVE-2020-1933: Cross-site scripting in Apache NiFi. Affects org.apache.nifi:nifi versions >= 1.0.0, < 1.11.0. Fixed in 1.11.0. How to fix ↓

Also tracked for

nifi · Bitnami

The same CVE-2020-1933 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

Apache NiFi is an open-source data integration tool that enables the automation of data flow between systems. It provides a web-based user interface (UI) for designing, managing, and monitoring data flows. The vulnerability identified as CVE-2020-1933 is a cross-site scripting (XSS) vulnerability that affects Apache NiFi versions 1.0.0 to 1.10.0. This vulnerability allows malicious scripts to be injected into the UI by an unaware authenticated user, specifically in the Firefox browser. Other browsers do not appear to be affected.

Vulnerability Detail

The CVE-2020-1933 vulnerability in Apache NiFi arises from a lack of proper input sanitization and validation. It enables an attacker to inject malicious scripts into the UI, potentially leading to the execution of arbitrary code or the theft of sensitive information. The vulnerability specifically affects versions 1.0.0 to 1.10.0 of Apache NiFi. The severity of this vulnerability is rated as MODERATE with a CVSS score of 6.1. The Common Weakness Enumeration (CWE) identifier associated with this vulnerability is CWE-79, which refers to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').

How To Fix

Minimum fixed version

1.11.0

This is the first release that contains the fix.

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

Workaround

As a temporary workaround, users can consider using alternative browsers that are not affected by this vulnerability, such as Chrome or Safari. Additionally, users should exercise caution and avoid clicking on suspicious links or visiting untrusted websites while using Apache NiFi in the Firefox browser.

Conclusion

The CVE-2020-1933 vulnerability in Apache NiFi is a cross-site scripting (XSS) vulnerability that allows the injection of malicious scripts into the UI. It affects versions 1.0.0 to 1.10.0 of Apache NiFi and can potentially lead to the execution of arbitrary code or the theft of sensitive information. To mitigate this vulnerability, it is crucial to upgrade to Apache NiFi version 1.11.0 or later. For further assistance or support in vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for org.apache.nifi:nifi →