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CVE-2020-7255— Privilege Escalation vulnerability  in ENS

Quick assessment

Affected
McAfee LLC McAfee Endpoint Security (ENS)
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.

McAfee Endpoint Security（ENS）是美国迈克菲（McAfee）公司的一套提供智能协作和先进的威胁防御的框架。该框架支持对实时通信的整个威胁防御生命周期进行控制并进行可操作的威胁取证等。 基于Windows平台的McAfee ENS 10.7.0之前版本中的管理用户界面存在权限许可和访问控制问题漏洞，该漏洞源于用户在ENS客户端界面编辑配置时，ENS没有检查用户权限。本地攻击者可利用该漏洞修改配置。

CVSS 3.9 · Low EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2020-7255

Vulnerability Information
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Vulnerability Title
Privilege Escalation vulnerability  in ENS
Source: CVE Program / CVE List V5
Vulnerability Description
Privilege escalation vulnerability in the administrative user interface in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to gain elevated privileges via ENS not checking user permissions when editing configuration in the ENS client interface. Administrators can lock the ENS client interface through ePO to prevent users being able to edit the configuration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
Source: CVE Program / CVE List V5
Vulnerability Title
McAfee Endpoint Security 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
McAfee Endpoint Security（ENS）是美国迈克菲（McAfee）公司的一套提供智能协作和先进的威胁防御的框架。该框架支持对实时通信的整个威胁防御生命周期进行控制并进行可操作的威胁取证等。 基于Windows平台的McAfee ENS 10.7.0之前版本中的管理用户界面存在权限许可和访问控制问题漏洞，该漏洞源于用户在ENS客户端界面编辑配置时，ENS没有检查用户权限。本地攻击者可利用该漏洞修改配置。
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 Endpoint Security (ENS) 10.x ~ 10.7.0 April 2020 Update -

II. Public POCs for CVE-2020-7255

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III. Intelligence Information for CVE-2020-7255

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Other References for CVE-2020-7255 (1)

Same Patch Batch · McAfee LLC · 2020-04-15 · 11 CVEs total

CVE-2020-7257 8.4 HIGH Privilege Escalation vulnerability through Symbolic links in ENS
CVE-2020-7250 8.2 HIGH ENS symbolic link log file manipulation vulnerability
CVE-2020-7278 7.4 HIGH McAfee firewall rules not enforced correctly
CVE-2020-7277 6.8 MEDIUM McAfee processes not protected
CVE-2020-7273 6.7 MEDIUM Autorun registry bypass
CVE-2020-7259 6.6 MEDIUM Unsigned executable vulnerability in ENS can be used to bypass intended self-protection ru
CVE-2020-7274 6.6 MEDIUM ENS elevated permissions vulnerability
CVE-2020-7276 6.4 MEDIUM Unrestricted Policy Management using MfeUpgradeTool.exe
CVE-2020-7261 6.1 MEDIUM Buffer overwrite in ENS allowed to bypass AMSI protection
CVE-2020-7275 4.8 MEDIUM Unquoted service paths for some McAfee ENS files

IV. Related Vulnerabilities

Same product: McAfee Endpoint Security (ENS)
Same vendor: McAfee LLC
Same weakness: CWE-264

V. Comments for CVE-2020-7255

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