CVE-2021-37851— Local Privilege Escalation in ESET product for Windows
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I. Basic Information for CVE-2021-37851
Vulnerability Information
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Vulnerability Title
Local Privilege Escalation in ESET product for Windows
Source: NVD (National Vulnerability Database)
Vulnerability Description
Local privilege escalation in Windows products of ESET allows user who is logged into the system to exploit repair feature of the installer to run malicious code with higher privileges. This issue affects: ESET, spol. s r.o. ESET NOD32 Antivirus 11.2 versions prior to 15.1.12.0. ESET, spol. s r.o. ESET Internet Security 11.2 versions prior to 15.1.12.0. ESET, spol. s r.o. ESET Smart Security Premium 11.2 versions prior to 15.1.12.0. ESET, spol. s r.o. ESET Endpoint Antivirus 6.0 versions prior to 9.0.2046.0; 6.0 versions prior to 8.1.2050.0; 6.0 versions prior to 8.0.2053.0. ESET, spol. s r.o. ESET Endpoint Security 6.0 versions prior to 9.0.2046.0; 6.0 versions prior to 8.1.2050.0; 6.0 versions prior to 8.0.2053.0. ESET, spol. s r.o. ESET Server Security for Microsoft Windows Server 8.0 versions prior to 9.0.12012.0. ESET, spol. s r.o. ESET File Security for Microsoft Windows Server 8.0.12013.0. ESET, spol. s r.o. ESET Mail Security for Microsoft Exchange Server 6.0 versions prior to 8.0.10020.0. ESET, spol. s r.o. ESET Mail Security for IBM Domino 6.0 versions prior to 8.0.14011.0. ESET, spol. s r.o. ESET Security for Microsoft SharePoint Server 6.0 versions prior to 8.0.15009.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分权限或特权的处理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款ESET产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ESET Smart Security Premium等都是斯洛伐克ESET公司的产品。Smart Security Premium是一套杀毒软件。Internet Security是一套针对互联网安全的杀毒软件。Eset Endpoint Antivirus等都是斯洛伐克Eset公司的产品。Eset Endpoint Antivirus是一个适用于中小型和大型企业的内部部署和基于云的反恶意软件和安全套件。 ESET NOD32 Antivirus存在安全漏洞。攻击者利用该漏洞通过修复和卸载选项可绕过ES
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 |
|---|---|---|---|---|
| ESET, spol. s r.o. | ESET NOD32 Antivirus | 11.2 ~ 15.1.12.0 | - | |
| ESET, spol. s r.o. | ESET Internet Security | 11.2 ~ 15.1.12.0 | - | |
| ESET, spol. s r.o. | ESET Smart Security Premium | 11.2 ~ 15.1.12.0 | - | |
| ESET, spol. s r.o. | ESET Endpoint Antivirus | 6.0 ~ 9.0.2046.0 | - | |
| ESET, spol. s r.o. | ESET Endpoint Security | 6.0 ~ 9.0.2046.0 | - | |
| ESET, spol. s r.o. | ESET Server Security for Microsoft Windows Server | 8.0 ~ 9.0.12012.0 | - | |
| ESET, spol. s r.o. | ESET File Security for Microsoft Windows Server | 6.0 8.0.12013.0 | - | |
| ESET, spol. s r.o. | ESET Mail Security for Microsoft Exchange Server | 6.0 ~ 8.0.10020.0 | - | |
| ESET, spol. s r.o. | ESET Mail Security for IBM Domino | 6.0 ~ 8.0.14011.0 | - | |
| ESET, spol. s r.o. | ESET Security for Microsoft SharePoint Server | 6.0 ~ 8.0.15009.0 | - |
II. Public POCs for CVE-2021-37851
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: ESET NOD32 Antivirus
- CVE-2025-4952
Denial-of-service vulnerability in ESET security products fo - CVE-2025-2425
TOCTOU race condition vulnerability in ESET products on Wind - CVE-2025-5028
Arbitrary file deletion vulnerability in ESET product instal - CVE-2024-11859
DLL Search Order Hijacking in ESET products for Windows - CVE-2024-7400
Local privilege escalation in ESET products for Windows
Same vendor: ESET, spol. s r.o.
- CVE-2024-11859
DLL Search Order Hijacking in ESET products for Windows - CVE-2024-6654
Denial of Service vulnerability in ESET products for macOS - CVE-2024-7400
Local privilege escalation in ESET products for Windows - CVE-2024-2003
Local Privilege Escalation in Quarantine of ESET products fo - CVE-2024-0353
Local privilege escalation in Windows products
Same weakness: CWE-280
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MediaTek Chipsets 安全漏洞 - CVE-2026-27910
Windows Installer Elevation of Privilege Vulnerability - CVE-2026-24096
Insufficient permission validation on multiple REST API Quic - CVE-2026-2123
Privilege escalation vulnerability in Operations Agent
V. Comments for CVE-2021-37851
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