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CVE-2021-21088— Adobe Acrobat Pro DC Use-After-Free Remote Code Execution Vulnerability

Quick assessment

Affected
Adobe Acrobat Reader
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 Acrobat Reader DC是美国奥多比（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。 Adobe Acrobat Reader DC存在资源管理错误漏洞，该漏洞源于容易受到释放后重用漏洞的影响，未经身份验证的攻击者可以利用此漏洞在当前用户的上下文中实现任意代码执行。

CVSS 7.8 · High EPSS 0.34% · P26
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I. Basic Information for CVE-2021-21088

Vulnerability Information
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Vulnerability Title
Adobe Acrobat Pro DC Use-After-Free Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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是美国奥多比（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。 Adobe Acrobat Reader DC存在资源管理错误漏洞，该漏洞源于容易受到释放后重用漏洞的影响，未经身份验证的攻击者可以利用此漏洞在当前用户的上下文中实现任意代码执行。
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 Acrobat Reader 0 ~ 2017.011.30188 -

II. Public POCs for CVE-2021-21088

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III. Intelligence Information for CVE-2021-21088

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Vendor Advisories for CVE-2021-21088 (1)

Same Patch Batch · Adobe · 2023-09-06 · 8 CVEs total

CVE-2021-36023 9.1 CRITICAL Magento Commerce Widgets Update Layout XML Injection Vulnerability Could Lead To Remote Co
CVE-2021-35980 7.8 HIGH Adobe Acrobat Reader SpellDictionaryExport Path Traversal Remote Code Execution Vulnerabil
CVE-2021-28644 7.8 HIGH Adobe Acrobat SpellDictionaryCreate Path Traversal Remote Code Execution Vulnerability
CVE-2021-36036 7.2 HIGH Magento Commerce Media Gallery Upload Improper Access Control Could Lead To Remote Code Ex
CVE-2021-36021 7.2 HIGH Magento Commerce CMS Page Improper Input Validation Could Lead To Remote Code Execution
CVE-2021-39859 5.5 MEDIUM Use After Free Adobe Acrobat Pro DC [HB-21-0339]
CVE-2021-36060 5.5 MEDIUM Adobe Media Encoder MPEG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerabil

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-21088

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