CVE-2021-47742 | THREATINT

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.

PUBLISHED Reserved 2025-12-31 | Published 2025-12-31 | Updated 2026-01-02 | Assigner VulnCheck

HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

Incorrect Permission Assignment for Critical Resource

Product status

<=1.95

affected

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab finder

References

www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5650.php (Zero Science Lab Disclosure (ZSL-2021-5650)) third-party-advisory

packetstormsecurity.com/files/162435 (Packet Storm Security Exploit Entry) exploit

exchange.xforce.ibmcloud.com/vulnerabilities/201128 (IBM X-Force Vulnerability Exchange Entry) vdb-entry

www.rocketleague.com/ (Rocket League Product Homepage) product

www.vulncheck.com/...-of-privileges-via-insecure-permissions (VulnCheck Advisory: Epic Games Psyonix Rocket League <=1.95 Elevation of Privileges via Insecure Permissions) third-party-advisory

cve.org (CVE-2021-47742)

nvd.nist.gov (CVE-2021-47742)

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