Path Traversal in J-Onasjones Mcwebserver

CVE-2022-39221

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-39221?
CVE-2022-39221 is a high-severity vulnerability in J-Onasjones Mcwebserver, classified under Path Traversal. CVSS score: 7.5/10. Published 2022-09-21.
How severe is CVE-2022-39221?
High severity. CVSS v3 base score is 7.5 out of 10.