# CVE-2021-47742

## Summary

- **CVE ID:** CVE-2021-47742
- **Severity:** HIGH
- **CVSS Score:** 8.8 (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)
- **CWE:** CWE-732
- **Published:** Dec 31, 2025
- **Last Modified:** Mar 13, 2026

## 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.

## Affected Products

- Epic Games Inc. — Epic Games Psyonix Rocket League (<=1.95)

## References

- [CNA](https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5650.php)
- [CNA](https://packetstormsecurity.com/files/162435)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/201128)
- [CNA](https://www.rocketleague.com/)
- [CNA](https://www.vulncheck.com/advisories/epic-games-psyonix-rocket-league-elevation-of-privileges-via-insecure-permissions)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.03%
- **EPSS Percentile:** 10.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._