CVE-2021-35054 Path traversal in n/a

High 7.5 Published Updated

Attackers can delete arbitrary JSON files on Minecraft servers configured with online-mode disabled, potentially disrupting server operations.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-35054?

CVE-2021-35054 is a high-severity path traversal vulnerability in n/a, published on 20 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-22

Which versions are affected by CVE-2021-35054?

It affects 1 product.

Products include Minecraft Minecraft.

How do I fix CVE-2021-35054?

No fix has been published for CVE-2021-35054 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-35054 being exploited?

There is no known exploitation of CVE-2021-35054 in the wild and no public exploit code.

Sources

Also known as GHSA-65hc-vfvw-w6rc.

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