CVE-2023-33245: Minecraft through 1.19 and 1.20 pre-releases before 7 (Java) allow arbitrary file overwrite, and possibly code

Q: How do I fix CVE-2023-33245?

minecraft: upgrade to newer than 1.19. Exact commands for each OS are on this page.

Q: Is CVE-2023-33245 being exploited?

CVE-2023-33245 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-33245 affect?

CVE-2023-33245 affects minecraft. Severity is high (CVSS 8.8). 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.

This month

HIGH 8.8UPGRADE

CVE-2023-33245 is a high-severity flaw (CVSS 8.8) affecting minecraft. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-59
Published	2023-05-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: minecraft

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-05-30 05:15 UTCPublished CVE record published
2026-06-17 06:01 UTCUpdated Record last modified

minecraft minecraft UPGRADE

Affected: <= 1.19 · 1.20 pre-release1 · 1.20 pre-release2 · 1.20 pre-release3 · 1.20 pre-release4 · 1.20 pre-release5 · 1.20 pre-release6

Fixed in: newer than 1.19

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy minecraft || rpm -q minecraft || minecraft --version

2. UPGRADE to newer than 1.19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade minecraft

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade minecraft

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-33245?

minecraft: upgrade to newer than 1.19. Exact commands for each OS are on this page.

Is CVE-2023-33245 being exploited?

CVE-2023-33245 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-33245 affect?

CVE-2023-33245 affects minecraft. Severity is high (CVSS 8.8). 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.

How urgent is CVE-2023-33245?

Priority 45/100. High severity

Software pages

Java vulnerabilities

References

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