CVE-2021-28634— Adobe Acrobat Reader AcrobatUtils.scpt Extension OS Command Injection Vulnerability
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://helpx.adobe.com/security/products/acrobat/apsb21-51.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-28634
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
- CVE-2026-34622
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34626
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-27221
Acrobat Reader | Improper Certificate Validation (CWE-295) - CVE-2026-27278
Acrobat Reader | Use After Free (CWE-416)
Same vendor: Adobe
- CVE-2026-34632
Photoshop Installer | CWE-427: Uncontrolled Search Path Elem - CVE-2026-27297
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27300
Adobe Framemaker | Access of Uninitialized Pointer (CWE-824) - CVE-2026-27296
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27290
Adobe Framemaker | Untrusted Search Path (CWE-426)
Same weakness: CWE-78
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