CVE-2023-33245 — Minecraft through 1

Minecraft through 1.19 and 1.20 pre-releases before 7 (Java) allow arbitrary file overwrite, and possibly code execution, via crafted world data that contains a symlink.

01What is this vulnerability?

Minecraft through 1.19 and 1.20 pre-releases before 7 (Java) allow arbitrary file overwrite, and possibly code execution, via crafted world data that contains a symlink.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-30T00:00:00.000Z
• Last modified: 2025-01-10T21:25:02.458Z

09References

• vuln.ryotak.net — https://vuln.ryotak.net/advisories/67
• www.minecraft.net — https://www.minecraft.net/ja-jp/article/minecraft-1-20-pre-release-7
• help.minecraft.net — https://help.minecraft.net/hc/en-us/articles/16165590199181