CVE-2021-47742 Epic Games Psyonix Rocket League <=1.95 Elevation of Privileges via Insecure Permissions
Authenticated users can modify executable files due to insecure permissions, allowing attackers to escalate system privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47742?
CVE-2021-47742 is a high-severity vulnerability in Epic Games Psyonix Rocket League, published on 31 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-732
Which versions are affected by CVE-2021-47742?
How do I fix CVE-2021-47742?
No fix has been published for CVE-2021-47742 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47742 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47742 exists.
Sources
Also known as GHSA-mmm6-w9m9-679x.