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CVE-2023-36542

8.8 · HIGH

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…

Published Jul 29, 2023CWE-94EPSS 1.90%

Overview

CVE-2023-36542 is a high-severity vulnerability. It was published on July 29, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refseclists.org/fulldisclosure/2023/Jul/43Refwww.openwall.com/lists/oss-security/2023/07/29/1Reflists.apache.org/thread/swnly3dzhhq9zo3rofc8djq77stkhbofRefnifi.apache.org/security.html#CVE-2023-36542Refseclists.org/fulldisclosure/2023/Jul/43Refwww.openwall.com/lists/oss-security/2023/07/29/1Reflists.apache.org/thread/swnly3dzhhq9zo3rofc8djq77stkhbofRefnifi.apache.org/security.html#CVE-2023-36542

How CyberStrike helps

Frequently asked questions

What is CVE-2023-36542?

CVE-2023-36542 is a high-severity vulnerability. It was published on July 29, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-36542?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-36542?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-36542?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-36542 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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