CVE-2021-47739

Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path

Published Dec 23, 2025 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Epicgames
Epicgames easy Anti-cheat
Vendors & Products Epicgames
Epicgames easy Anti-cheat
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path
Weaknesses CWE-428
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Dec 23, 2025, 9:37 PM
Reserved
Dec 23, 2025, 1:24 PM
Status
Deferred
Published
Dec 23, 2025, 8:15 PM
Modified
Jun 17, 2026, 4:18 AM