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CVE-2022-39221

7.5 · HIGH

McWebserver mod runs a simple HTTP server alongside the Minecraft server in seperate threads.

Published Sep 21, 2022CWE-22EPSS 1.04%

Overview

CVE-2022-39221 is a high-severity vulnerability. It was published on September 21, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

McWebserver mod runs a simple HTTP server alongside the Minecraft server in seperate threads. Path traversal in McWebserver Minecraft Mod for Fabric and Quilt up to and including 0.1.2.1 and McWebserver Minecraft Mod for Forge up to and including 0.1.1 allows all files, accessible by the program, to be read by anyone via HTTP request. Version 0.2.0 with patches are released to both platforms (Fabric and Quilt, Forge). As a workaround, the McWebserver mod can be disabled by removing the file from the `mods` directory.

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

GitHubgithub.com/J-onasJones/McWebserver/pull/1GitHubgithub.com/J-onasJones/McWebserver/security/advisories/GHSA-gcvq-42cx-r46qGitHubgithub.com/J-onasJones/McWebserver/pull/1GitHubgithub.com/J-onasJones/McWebserver/security/advisories/GHSA-gcvq-42cx-r46q

How CyberStrike helps

Frequently asked questions

What is CVE-2022-39221?

CVE-2022-39221 is a high-severity vulnerability. It was published on September 21, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-39221?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-39221?

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-2022-39221?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-39221 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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