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CVE-2021-28634— Adobe Acrobat Reader AcrobatUtils.scpt Extension OS Command Injection 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是美国奥多比（Adobe）公司的一套PDF文件编辑和转换工具。 Adobe acrobat DC存在操作系统命令注入漏洞，该漏洞源于输入验证不当。攻击者可利用该漏洞执行任意的操作系统命令，并提高对系统的权限。

CVSS 8.2 · High EPSS 2.21% · P82

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-28634

Vulnerability Information
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Vulnerability Title
Adobe Acrobat Reader AcrobatUtils.scpt Extension OS Command Injection Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Improper Neutralization of Special Elements used in an OS Command. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution on the host machine 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:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Acrobat 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat是美国奥多比（Adobe）公司的一套PDF文件编辑和转换工具。 Adobe acrobat DC存在操作系统命令注入漏洞，该漏洞源于输入验证不当。攻击者可利用该漏洞执行任意的操作系统命令，并提高对系统的权限。
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 ~ 2020.004.30005 -

II. Public POCs for CVE-2021-28634

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III. Intelligence Information for CVE-2021-28634

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Vendor Advisories for CVE-2021-28634 (1)

Same Patch Batch · Adobe · 2021-08-20 · 42 CVEs total

CVE-2021-28642 8.8 HIGH Adobe Acrobat Pro DC Out-of-Bounds Write Arbitrary Code Execution Vulnerability
CVE-2021-36011 8.3 HIGH Adobe Illustrator improper neutralization of special elements used in an OS command
CVE-2021-35990 7.8 HIGH Adobe Bridge JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2021-28638 7.8 HIGH Adobe Acrobat Reader DC PDF File Parsing Heap-based Buffer Overflow Remote Code Execution
CVE-2021-28641 7.8 HIGH Adobe Acrobat Reader Use-After-Free Arbitrary Code Execution Vulnerability
CVE-2021-35983 7.8 HIGH Adobe Acrobat Reader DC AcroForm Use-After-Free Remote Code Execution Vulnerability
CVE-2021-35981 7.8 HIGH Adobe Acrobat Reader DC launchURL Use-After-Free Remote Code Execution Vulnerability
CVE-2021-28639 7.8 HIGH Adobe Acrobat Reader DC setAction Use-After-Free Remote Code Execution Vulnerability
CVE-2021-28635 7.8 HIGH Adobe Acrobat Reader Use-After-Free Vulnerability
CVE-2021-35989 7.8 HIGH Adobe Bridge PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2021-28637 7.8 HIGH Adobe Acrobat Pro DC PDFLibTool Out-of-Bounds Read Remote Code Execution Vulnerability
CVE-2021-35997 7.8 HIGH Adobe Premiere Pro Memory Corruption Remote Code Execution Vulnerability
CVE-2021-28595 7.8 HIGH Adobe Dimension Uncontrolled Search Path Element Could Lead To Remote Code Execution
CVE-2021-36000 7.8 HIGH Adobe Character Animator Memory Corruption Arbitrary Code Execution Vulnerability
CVE-2021-28591 7.8 HIGH Adobe Illustrator PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2021-35999 7.8 HIGH Adobe Prelude Memory Corruption Remote Code Execution Vulnerability
CVE-2021-36005 7.8 HIGH Adobe Photoshop PSD File Parsing Stack Overflow Vulnerability
CVE-2021-28624 7.8 HIGH Adobe Bridge SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerabili
CVE-2021-36009 7.8 HIGH Adobe Illustrator PDF File Parsing Memory Corruption Remote Code Execution Vulnerability
CVE-2021-28592 7.8 HIGH Adobe Illustrator JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Showing top 20 of 42 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-78

V. Comments for CVE-2021-28634

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