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CVE-2021-40722— AEM Forms Improper Restriction of XML External Entity Reference

Quick assessment

Affected
Adobe Experience Manager
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.

Adobe Experience Manager（AEM）是美国奥多比（Adobe）公司的一套可用于构建网站、移动应用程序和表单的内容管理解决方案。该方案支持移动内容管理、营销销售活动管理和多站点管理等。 Adobe Experience Manager 存在代码问题漏洞，该漏洞源于攻击者可以利用该漏洞触发任意代码执行。

CVSS 9.8 · Critical EPSS 3.27% · P87

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-40722

Vulnerability Information
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Vulnerability Title
AEM Forms Improper Restriction of XML External Entity Reference
Source: CVE Program / CVE List V5
Vulnerability Description
AEM Forms Cloud Service offering, as well as version 6.5.10.0 (and below) are affected by an XML External Entity (XXE) injection vulnerability that could be abused by an attacker to achieve RCE.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Experience Manager代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Experience Manager（AEM）是美国奥多比（Adobe）公司的一套可用于构建网站、移动应用程序和表单的内容管理解决方案。该方案支持移动内容管理、营销销售活动管理和多站点管理等。 Adobe Experience Manager 存在代码问题漏洞，该漏洞源于攻击者可以利用该漏洞触发任意代码执行。
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
Adobe Experience Manager unspecified ~ 6.5.10.0 -

II. Public POCs for CVE-2021-40722

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III. Intelligence Information for CVE-2021-40722

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Vendor Advisories for CVE-2021-40722 (1)

Same Patch Batch · Adobe · 2022-01-13 · 15 CVEs total

CVE-2021-43765 8.1 HIGH Adobe Experience Manager Stored XSS in the Carousel Set
CVE-2021-44177 8.1 HIGH Adobe Experience Manager Stored XSS in user name parameter in the package manager
CVE-2021-44176 8.1 HIGH Adobe Experience Manager Stored XSS in workflow Stages parameter
CVE-2021-43761 8.0 HIGH Adobe Experience Manager Stored XSS on Edit Tag page via Localization input
CVE-2021-43764 8.0 HIGH Adobe Experience Manager Stored XSS in the Spin Set
CVE-2021-43762 6.5 MEDIUM Adobe Experience Manager Unicode normalization leads to dispatcher bypass
CVE-2021-44178 5.4 MEDIUM Adobe Experience Manager Reflected XSS in /bin/wcm/contentfinder/page/view.html
CVE-2021-45054 3.3 LOW Adobe InCopy JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability
CVE-2021-45059 3.3 LOW Adobe InDesign JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability
CVE-2021-45053 Adobe InCopy JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2021-45056 Adobe InCopy JPEG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2021-45055 Adobe InCopy TIF File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
CVE-2021-45058 Adobe InDesign JPEG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2021-45057 Adobe InDesign JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

IV. Related Vulnerabilities

Same product: Experience Manager
Same vendor: Adobe
Same weakness: CWE-611

V. Comments for CVE-2021-40722

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