CVE-2021-47742 HIGH

CVE-2021-47742: Epic Games Psyonix Rocket League <=1.95 Elevation of Privileges via Insecure Permissions

Vendor Epic Games Inc.
Product Epic Games Psyonix Rocket League
Weakness CWE-732
Published December 31, 2025
Last update January 2, 2026
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 31, 2025 CVE published
January 2, 2026 Record updated