Vulnerability details
CVE-2021-47742
Epic Games Psyonix Rocket League
Epic Games Psyonix Rocket League <=1.95 Elevation of Privileges via Insecure Permissions
CVSS 4.0
8.5High
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.5High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Epic Games Inc. | Epic Games Psyonix Rocket League | <=1.95 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5650.php third-party-advisory
- https://packetstormsecurity.com/files/162435 exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/201128 vdb-entry
- https://www.rocketleague.com/ product
- https://www.vulncheck.com/advisories/epic-games-psyonix-rocket-league-elevation-of-privileges-via-insecure-permissions third-party-advisory
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Details
- Published
- 2025-12-31
- Last updated
- 2026-01-02
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.24%
Probability of exploitation in 30 days
15.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-732Incorrect Permission Assignment for Critical Resource