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CVE-2021-43762— Adobe Experience Manager Unicode normalization leads to dispatcher bypass

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 存在输入验证错误漏洞，该漏洞源于攻击者可以利用该漏洞触发安全功能绕过。

CVSS 6.5 · Medium EPSS 1.63% · P74

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-43762

Vulnerability Information
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Vulnerability Title
Adobe Experience Manager Unicode normalization leads to dispatcher bypass
Source: CVE Program / CVE List V5
Vulnerability Description
AEM's Cloud Service offering, as well as version 6.5.10.0 (and below) are affected by a dispatcher bypass vulnerability that could be abused to evade security controls. Sensitive areas of the web application may be exposed through exploitation of the vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Experience Manager 输入验证错误漏洞
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 存在输入验证错误漏洞，该漏洞源于攻击者可以利用该漏洞触发安全功能绕过。
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-2021-43762

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III. Intelligence Information for CVE-2021-43762

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Vendor Advisories for CVE-2021-43762 (1)

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

CVE-2021-40722 9.8 CRITICAL AEM Forms Improper Restriction of XML External Entity Reference
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-2021-44178 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-20

V. Comments for CVE-2021-43762

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