CVE-2021-47742 - CVE House
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Status published High CVE-2021-47742

Epic Games Psyonix Rocket League <=1.95 Elevation of Privileges via Insecure Permissions

Vulnerability Description

Epic Games Psyonix Rocket League <=1.95 contains an insecure permissions vulnerability that allows authenticated users to modify executable files with full access permissions. Attackers can leverage the 'F' (Full) flag for the 'Authenticated Users' group to change executable files and potentially escalate system privileges.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • LiquidWorm as Gjoko Krstic of Zero Science Lab

Affected Vendor

Epic Games Inc.

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Affected Software

Epic Games Psyonix Rocket League
Vulnerable Versions:
<=1.95

Timeline

Official Publish: December 31st, 2025
Last Modified: January 2nd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)