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CVE-2019-3591— DLP Endpoint ePO extension vulnerable to XSS

Quick assessment

Affected
McAfee, LLC Data Loss Prevention ePO extension
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 Data Loss Prevention Endpoint（DLPe）是美国迈克菲（McAfee）公司的一套集成式终端数据保护解决方案。该方案能够防止机密数据被盗和意外泄露，并提供针对文件处理和传输的安全策略、共享终端数据流控制和数据加密等功能。 基于Windows平台McAfee DLPe 11.3.0之前的11.x版本中的ePO扩展存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.83% · P56
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I. Basic Information for CVE-2019-3591

Vulnerability Information
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Vulnerability Title
DLP Endpoint ePO extension vulnerable to XSS
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in ePO extension in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.0 allows unauthenticated remote user to trigger specially crafted JavaScript to render in the ePO UI via a carefully crafted upload to a remote website which is correctly blocked by DLPe Web Protection. This would then render as an XSS when the DLP Admin viewed the event in the ePO UI.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
McAfee Data Loss Prevention Endpoint 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
McAfee Data Loss Prevention Endpoint（DLPe）是美国迈克菲（McAfee）公司的一套集成式终端数据保护解决方案。该方案能够防止机密数据被盗和意外泄露，并提供针对文件处理和传输的安全策略、共享终端数据流控制和数据加密等功能。 基于Windows平台McAfee DLPe 11.3.0之前的11.x版本中的ePO扩展存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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 Data Loss Prevention ePO extension 11.x ~ 11.3.0 -

II. Public POCs for CVE-2019-3591

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III. Intelligence Information for CVE-2019-3591

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Vendor Advisories for CVE-2019-3591 (1)

Other References for CVE-2019-3591 (1)

Same Patch Batch · McAfee, LLC · 2019-07-24 · 3 CVEs total

CVE-2019-3622 DLP Endpoint log file redirection to arbitrary locations
CVE-2019-3595 DLP Endpoint ePO extension not sanitizing CSV exports

IV. Related Vulnerabilities

Same vendor: McAfee, LLC

V. Comments for CVE-2019-3591

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