CVE-2021-47739

Epic Games Easy Anti-Cheat 4.0 contains an unquoted service path vulnerability that allows local non-privileged users to execute arbitrary code with elevated system privileges. Attackers can exploit the service configuration by inserting malicious code in the system root path that would execute with LocalSystem privileges during application startup.

CVSS v4.0

8.5 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.19% chance of exploitation in the next 30 days, 8th percentile

Published

2025-12-23

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/49841

References

• CVE Record
• NVD entry

Related

• CVE-2021-47738
• CVE-2021-47740
• CVE-2021-47737
• CVE-2021-47741
• CVE-2021-47736
• CVE-2021-47742