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CVE-2021-47739— Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path

Quick assessment

Affected
Epic Games Easy Anti-Cheat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Epic Games Easy Anti-Cheat是美国Epic Games公司的一个游戏反作弊软件。 Epic Games Easy Anti-Cheat 4.0版本存在代码问题漏洞，该漏洞源于服务路径未加引号，可能导致权限提升。

CVSS 8.4 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1546.001 · Change Default File Association
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I. Basic Information for CVE-2021-47739

Vulnerability Information
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Vulnerability Title
Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation via Unquoted Service Path
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经引用的搜索路径或元素
Source: CVE Program / CVE List V5
Vulnerability Title
Epic Games Easy Anti-Cheat 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Epic Games Easy Anti-Cheat是美国Epic Games公司的一个游戏反作弊软件。 Epic Games Easy Anti-Cheat 4.0版本存在代码问题漏洞，该漏洞源于服务路径未加引号，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Epic Games Easy Anti-Cheat 4.0 -

II. Public POCs for CVE-2021-47739

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III. Intelligence Information for CVE-2021-47739

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Vendor Advisories for CVE-2021-47739 (1)

Security Blog Posts for CVE-2021-47739 (1)

IV. Related Vulnerabilities

Same vendor: Epic Games
Same weakness: CWE-428

V. Comments for CVE-2021-47739

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