CVE-2023-36542

HIGH EXPLOITED IN THE WILD

Apache NiFi <1.22.0 - Authenticated RCE

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-36542 has been observed exploited in the wild (reported by VulnCheck KEV, InTheWild.io). EIP tracks 1 public exploit from researchers including shoucheng3.

AI-analyzed exploit summary This repository appears to be a legitimate Apache NiFi project with documentation and source code. It does not contain exploit code or a proof-of-concept for CVE-2023-36542, but rather general project files and READMEs.

Description

Apache NiFi 0.0.2 through 1.22.0 include Processors and Controller Services that support HTTP URL references for retrieving drivers, which allows an authenticated and authorized user to configure a location that enables custom code execution. The resolution introduces a new Required Permission for referencing remote resources, restricting configuration of these components to privileged users. The permission prevents unprivileged users from configuring Processors and Controller Services annotated with the new Reference Remote Resources restriction. Upgrading to Apache NiFi 1.23.0 is the recommended mitigation.

Exploits (1)

nomisec WRITEUP
by shoucheng3 · poc
https://github.com/shoucheng3/asf__nifi_CVE-2023-36542_1-22-0

This repository appears to be a legitimate Apache NiFi project with documentation and source code. It does not contain exploit code or a proof-of-concept for CVE-2023-36542, but rather general project files and READMEs.

Classification
Writeup 90%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: Apache NiFi
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/07/29/1
Issue Tracking, Mailing List, Vendor Advisory vendor-advisory
https://lists.apache.org/thread/swnly3dzhhq9zo3rofc8djq77stkhbof

Scores

CVSS v3 8.8
EPSS 0.0118
EPSS Percentile 79.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

VulnCheck KEV 2024-09-18
InTheWild.io 2024-09-18
CWE
CWE-94
Status published
Products (9)
apache/nifi 0.0.2 - 1.22.0
org.apache.nifi/nifi-cdc-mysql-bundle 0.0.2 - 1.23.0Maven
org.apache.nifi/nifi-dbcp-service 0.0.2 - 1.23.0Maven
org.apache.nifi/nifi-hadoop-dbcp-service 0.0.2 - 1.23.0Maven
org.apache.nifi/nifi-hbase_2-client-service 0.0.2 - 1.23.0Maven
org.apache.nifi/nifi-hikari-dbcp-service 0.0.2 - 1.23.0Maven
org.apache.nifi/nifi-jms-processors 0.0.2 - 1.23.0Maven
org.apache.nifi/nifi-record-serialization-services 0.0.2 - 1.23.0Maven
org.apache.nifi/nifi-standard-processors 0.0.2 - 1.23.0Maven
Published Jul 29, 2023
Tracked Since Feb 18, 2026