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CVE-2021-40726— Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability

Quick assessment

Affected
Adobe Acrobat Reader
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Adobe Acrobat Reader Dc是美国Adobe公司的一个 Pdf 阅读工具。用于可靠查看、打印和注释 Pdf 文档。 Acrobat Reader DC 存在资源管理错误漏洞，该漏洞源于在处理 AcroForm 列表框时受到该漏洞的影响。

AI Predicted 8.8 Difficulty: Easy EPSS 5.29% · P92
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I. Basic Information for CVE-2021-40726

Vulnerability Information
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Vulnerability Title
Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForm field that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Acrobat Reader Dc 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader Dc是美国Adobe公司的一个 Pdf 阅读工具。用于可靠查看、打印和注释 Pdf 文档。 Acrobat Reader DC 存在资源管理错误漏洞，该漏洞源于在处理 AcroForm 列表框时受到该漏洞的影响。
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 Acrobat Reader unspecified ~ 2020.004.30006 -

II. Public POCs for CVE-2021-40726

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III. Intelligence Information for CVE-2021-40726

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Vendor Advisories for CVE-2021-40726 (2)

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-416

V. Comments for CVE-2021-40726

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