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CVE-2021-37852— LPE in ESET products for Windows

Quick assessment

Affected
ESET ESET NOD32 Antivirus
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.

ESET NOD32 Antivirus是斯洛伐克ESET公司的一套杀毒软件。 ESET NOD32 Antivirus 存在权限许可和访问控制问题漏洞，该漏洞源于产品没有在使用命名管道时适当地施加安全限制，从而导致安全限制被绕过和权限升级。该漏洞允许本地用户升级系统上的权限。

CVSS 7.8 · High EPSS 0.60% · P46

Possible ATT&CK Techniques 1 AI

T1134 · Access Token Manipulation
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I. Basic Information for CVE-2021-37852

Vulnerability Information
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Vulnerability Title
LPE in ESET products for Windows
Source: CVE Program / CVE List V5
Vulnerability Description
ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\SYSTEM.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ESET NOD32 Antivirus 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ESET NOD32 Antivirus是斯洛伐克ESET公司的一套杀毒软件。 ESET NOD32 Antivirus 存在权限许可和访问控制问题漏洞，该漏洞源于产品没有在使用命名管道时适当地施加安全限制，从而导致安全限制被绕过和权限升级。该漏洞允许本地用户升级系统上的权限。
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 ESET NOD32 Antivirus 10.0.337.1 ~ 15.0.18.0 -
ESET ESET Internet Security 10.0.337.1 ~ 15.0.18.0 -
ESET ESET Smart Security 10.0.337.1 ~ 15.0.18.0 -
ESET ESET Endpoint Antivirus for Windows 6.6.2046.0 ~ 9.0.2032.4 -
ESET ESET Endpoint Security for Windows 6.6.2046.0 ~ 9.0.2032.4 -
ESET ESET Server Security for Microsoft Windows Server 8.0.12003.0 ~ 8.0.12003.1 -
ESET ESET File Security for Microsoft Windows Server 7.0.12014.0 ~ 7.3.12006.0 -
ESET ESET Server Security for Microsoft Azure 7.0.12016.1002 ~ 7.2.12004.1000 -
ESET ESET Security for Microsoft SharePoint Server 7.0.15008.0 ~ 8.0.15004.0 -
ESET ESET Mail Security for IBM Domino 7.0.14008.0 ~ 8.0.14004.0 -
ESET ESET Mail Security for Microsoft Exchange Server 7.0.10019 ~ 8.0.10016.0 -

II. Public POCs for CVE-2021-37852

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III. Intelligence Information for CVE-2021-37852

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Vendor Advisories for CVE-2021-37852 (1)

Other References for CVE-2021-37852 (1)

IV. Related Vulnerabilities

Same product: ESET NOD32 Antivirus
Same vendor: ESET

V. Comments for CVE-2021-37852

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