2021-35054 | Mojang Studios Minecraft Online Mode path traversal

CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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5.3 $0-$5k 0.74

A vulnerability, which was classified as critical, was found in Mojang Studios Minecraft up to 1.17.0. Affected is an unknown functionality of the component Online Mode Handler. The manipulation with an unknown input leads to a directory traversal vulnerability. CWE is classifying the issue as CWE-22. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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

The weakness was disclosed 07/21/2021. The advisory is shared for download at vuln.ryotak.me. This vulnerability is traded as CVE-2021-35054 since 06/20/2021. The exploitability is told to be easy. The attack can only be done within the local network. The successful exploitation needs a authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.17.1 eliminates this vulnerability. The upgrade is hosted for download at minecraft.net.



VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Directory traversal
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Minecraft 1.17.1

06/20/2021 CVE assigned
07/21/2021 +31 days Advisory disclosed
07/21/2021 +0 days VulDB entry created
07/26/2021 +5 days VulDB last updateAdvisory: vuln.ryotak.me
Status: Confirmed

CVE: CVE-2021-35054 (🔒)

Created: 07/21/2021 11:49
Updated: 07/26/2021 03:35
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍


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