CVE-2021-31841— DLL side loading vulnerability in MA for Windows
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I. Basic Information for CVE-2021-31841
Vulnerability Information
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Vulnerability Title
DLL side loading vulnerability in MA for Windows
Source: NVD (National Vulnerability Database)
Vulnerability Description
A DLL sideloading vulnerability in McAfee Agent for Windows prior to 5.7.4 could allow a local user to perform a DLL sideloading attack with an unsigned DLL with a specific name and in a specific location. This would result in the user gaining elevated permissions and the ability to execute arbitrary code as the system user, through not checking the DLL signature.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可信的搜索路径
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mcafee McAfee Agent 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mcafee McAfee Agent（MA）是美国迈克菲（Mcafee）公司的一套提供了ePolicy Orchestrator（杀毒软件管理平台）与被管理产品之间的安全通信的客户端组件。 McAfee Agent for Windows 5.7.4 版本之前存在数据伪造问题漏洞，该漏洞可能允许本地用户使用具有特定名称和特定位置的未签名 DLL 执行 DLL 旁加载攻击。 这将导致用户通过不检查 DLL 签名获得提升的权限和作为系统用户执行任意代码的能力。
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 |
|---|---|---|---|---|
| McAfee,LLC | McAfee Agent for Windows | unspecified ~ 5.7.4 | - |
II. Public POCs for CVE-2021-31841
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://kc.mcafee.com/corporate/index?page=content&id=SB10369x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-31841
Same Patch Batch · McAfee,LLC · 2021-09-22 · 3 CVEs total
| CVE-2021-31847 | 8.2 HIGH | Improper privilege management in repair process of MA for Windows |
| CVE-2021-31836 | 5.6 MEDIUM | Improper Privilege Management in MA for Windows |
IV. Related Vulnerabilities
Same product: McAfee Agent for Windows
- CVE-2022-1256
Improper Privilege Management in McAfee Agent for Windows - CVE-2022-0166
Privilege escalation vulnerability in McAfee Agent - CVE-2021-31854
Code injection vulnerability in McAfee Agent - CVE-2021-31836
Improper Privilege Management in MA for Windows - CVE-2021-31847
Improper privilege management in repair process of MA for Wi
Same vendor: McAfee,LLC
Same weakness: CWE-426
- CVE-2026-7309
Openshift-controller-manager: openshift container platform: - CVE-2026-35368
uutils coreutils chroot Local Privilege Escalation and chroo - CVE-2026-35603
Claude Code: Insecure System-Wide Configuration Loading Enab - CVE-2026-40947
Yubico多款产品 安全漏洞 - CVE-2026-27290
Adobe Framemaker | Untrusted Search Path (CWE-426)
V. Comments for CVE-2021-31841
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