CVE-2021-28636— Adobe Acrobat Reader Unquoted Search Path Vulnerability
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I. Basic Information for CVE-2021-28636
Vulnerability Information
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Vulnerability Title
Adobe Acrobat Reader Unquoted Search Path 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 Uncontrolled Search Path Element vulnerability. An attacker with access to the victim's C:/ folder 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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对搜索路径元素未加控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat 代码问题漏洞
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 存在代码问题漏洞，该漏洞源于应用程序以不安全的方式加载DLL库。攻击者可利用该漏洞在远程SMB fileshare上放置专门制作的.dll文件，诱骗受害者打开与脆弱应用程序相关的文件，并在受害者的系统上执行任意代码。
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-2021-28636
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
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-2021-28636
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-2021-28634 | 8.2 HIGH | Adobe Acrobat Reader AcrobatUtils.scpt Extension OS Command Injection Vulnerability |
| 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-2021-28637 | 7.8 HIGH | Adobe Acrobat Pro DC PDFLibTool Out-of-Bounds Read Remote Code Execution Vulnerability |
| CVE-2021-35989 | 7.8 HIGH | Adobe Bridge PDF File Parsing Out-Of-Bounds Write 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 |
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-427
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DLL Hijacking Vulnerability in ZTE Cloud PC Client uSmartvie - CVE-2026-40004
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AC2000 Uncontrolled Search Path Element - CVE-2026-6788
Uncontrolled search path in PluginLauncher allows SYSTEM cod - CVE-2026-25852
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V. Comments for CVE-2021-28636
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