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CVE-2023-34468

74
FAUCET Score

CVE-2023-34468 is a critical vulnerability affecting Apache NiFi versions 0.0.2 through 1.21.0, allowing authenticated users to achieve remote code execution by manipulating H2 database connection URLs within DBCPConnectionPool and HikariCPConnectionPool Controller Services. With a CVSS score of 8.8 (High), it presents a low-complexity network attack vector that can lead to complete compromise of confidentiality, integrity, and availability. While not yet on the KEV catalog, a Metasploit module exists, and the vulnerability has garnered significant community discussion and media coverage, indicating high awareness and potential for future exploitation. Organizations are strongly advised to upgrade to NiFi version 1.22.0 or later to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.0.2, < 1.22.0CPE matchmatch criteria
cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
>= 0.0.2, <= 1.21.0CPE match
cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
63.63%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Apache NiFi H2 Connection String Remote Code Execution · Jun 12, 2023
This CVE's current EPSS score of 0.6363 is in the 99th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

mavenpatch availablevia ghsa
Product: org.apache.nifi:nifi-dbcp-baseFixed in: 1.22.0
mavenpatch availablevia ghsa
Product: org.apache.nifi:nifi-hikari-dbcp-serviceFixed in: 1.22.0
mavenpatch availablevia ghsa
Product: org.apache.nifi:nifi-dbcp-service-narFixed in: 1.22.0

Vendor Advisories (1)

mavenGHSA-xm2m-2q6h-22jwhigh

Apache NiFi vulnerable to Code Injection

Jun 12, 2023

References

packetstormsecurity.com / files/174398/Apache-NiFi-H2-Connection-String-Remote-Code-Execution.html
Third Party AdvisoryVDB Entry
lists.apache.org / thread/7b82l4f5blmpkfcynf3y6z4x1vqo59h8
Mailing ListVendor Advisory
nifi.apache.org / security.html
Release NotesVendor Advisory
cyfirma.com / outofband/apache-nifi-cve-2023-34468-rce-vulnerability-analysis-and-exploitation
Third Party Advisory
openwall.com / lists/oss-security/2023/06/12/3
Mailing ListThird Party Advisory