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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-39177 Detail

Description

Geyser is a bridge between Minecraft: Bedrock Edition and Minecraft: Java Edition. Versions of Geyser prior to 1.4.2-SNAPSHOT allow anyone that can connect to the server to forge a LoginPacket with manipulated JWT token allowing impersonation as any user. Version 1.4.2-SNAPSHOT contains a patch for the issue. There are no known workarounds aside from upgrading.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/GeyserMC/Geyser/commit/b9541505af68ac7b7c093206ac7b1ba88957a5a6 Patch  Third Party Advisory 
https://github.com/GeyserMC/Geyser/commit/b9541505af68ac7b7c093206ac7b1ba88957a5a6 Patch  Third Party Advisory 
https://github.com/GeyserMC/Geyser/security/advisories/GHSA-h77f-xxx7-4858 Patch  Third Party Advisory 
https://github.com/GeyserMC/Geyser/security/advisories/GHSA-h77f-xxx7-4858 Patch  Third Party Advisory 
https://updates.playhive.com/weekend-maintenance-disclosure-2kJMaY Third Party Advisory 
https://updates.playhive.com/weekend-maintenance-disclosure-2kJMaY Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-39177
NVD Published Date:
08/30/2021
NVD Last Modified:
11/21/2024
Source:
GitHub, Inc.